What is the normal range of hemoglobin in urine

Jul 04, 2019 · If the level of hemoglobin in the blood rises too high, then hemoglobin begins to appear in the urine. This is called hemoglobinuria. This test may be used to help diagnose causes of hemoglobinuria. Normal Results. Normally, hemoglobin does not appear in the urine. What Abnormal Results Mean. Hemoglobinuria may be a result of any of the following: pbso booking blotter What is the normal range of hemoglobin in urine? Hemoglobin (Hb): Between 135 and 175 grams/liter for men. Between 120 and 155 grams/liter for women. What does it mean …You can also opt for iron-rich foods, such as spinach, eggs, beans, artichokes, seafood, and lean meats. Foods rich in cofactors, such as folic acid, vitamin B6, vitamin-C, and vitamin B12 may also help keep hemoglobin levels within the normal range. While you may feel tempted to take iron supplements to increase your hemoglobin levels, you ...Normal: negative. – Bacteria reduce dietary nitrates to nitrites. ▫ Hemoglobin. – Normal: negative. – RBCs can enter urinary tract due to disease or trauma ...This limit, termed the renal threshold for glucose, is normally equivalent to a blood glucose concentration in the range of 160 to 180 mg/dL. Thus, the presence ... no sore breasts 4 days before period 2018/04/13 ... Because AMH is a sign, it requires further investigation to find out why it is happening. More than three red blood cells in the urine without ...Except in the case of plasmatic electrolytes, texts of animal physiology reveal a manifest absence of hematic and urinary normal values from amphibians ... sloto stars no deposit bonus Ranges. CAPT_URI_0200JA2. * Urinalysis, Dipstick Only. Mnemonic ... Blood: Negative. Normal Results. Ranges for normal values vary among different labs and ...Download scientific diagram | Levels of serum iron, serum zinc, hemoglobin, stool and urine test in patient compared with normal levels from publication: ... summer nationals myrtle beach 2022Jul 04, 2019 · If the level of hemoglobin in the blood rises too high, then hemoglobin begins to appear in the urine. This is called hemoglobinuria. This test may be used to help diagnose causes of hemoglobinuria. Normal Results. Normally, hemoglobin does not appear in the urine. What Abnormal Results Mean. Hemoglobinuria may be a result of any of the following: farm for sale apopka 2007. 8. 31. ... URINE SPECIFIC GRAVITY: values of dogs and cats obtained with reagent ... by ascorbic acid normally present in canine and feline urine.Download scientific diagram | Levels of serum iron, serum zinc, hemoglobin, stool and urine test in patient compared with normal levels from publication: ...This limit, termed the renal threshold for glucose, is normally equivalent to a blood glucose concentration in the range of 160 to 180 mg/dL. Thus, the presence ...What are normal results for this test? Laboratory test results may vary depending on your age, gender, health history, the method used for the test, and many ...Upon completion, the test allows a doctor to see if a patient's phosphorous levels fall within a normal range of 2.4 to 4.1 mg/dl. If a patient is dealing with low phosphorous levels, he or she may be have HPT. What Does It Feel Like to Undergo PTH Testing?Your blood sugar (glucose) level; Your blood calcium levels. It is important to know that although blood tests can indicate your risk of having heart disease or ...If the level of hemoglobin in the blood rises too high, then hemoglobin begins to appear in the urine. This is called hemoglobinuria. This test may be used to help diagnose causes of hemoglobinuria. Normal Results. Normally, hemoglobin does not appear in the urine. What Abnormal Results Mean. Hemoglobinuria may be a result of any of the following:A patient's urine test values should be interpreted based on the reference value of the laboratory in which the test was done; the laboratory typically provides these values with the test result. Representative values are listed in alphabetical order in the following table. monroe township nj ori number Oct 08, 2020 · Hemoglobin (Hbg) measures the amount of the hemoglobin molecule in a volume of blood and normally is 13.8 to 17.2 grams per deciliter (g/dL) for men and 12.1 to 15.1 g/dL for women. Hematocrit (Hct) signifies the percentage of the whole blood occupied by red blood cells and usually ranges between 45%-52% for menOct 08, 2020 · Hemoglobin (Hbg) measures the amount of the hemoglobin molecule in a volume of blood and normally is 13.8 to 17.2 grams per deciliter (g/dL) for men and 12.1 to 15.1 g/dL for women. Hematocrit (Hct) signifies the percentage of the whole blood occupied by red blood cells and usually ranges between 45%-52% for men In males, a healthy hemoglobin level is between 13.2 and 16.6 grams per deciliter of blood (g/dL). In females, a hemoglobin count of between 11.6 and 15 g/dL is considered normal and healthy. A lower-than-normal hemoglobin count means that your cells are not getting enough oxygen from your blood. how to buy bulk vapes Normal hemoglobin counts are 14 to 17 gm/dL (grams per deciliter) for men and 12 to 15 gm/dL for women. Is 10.5 hemoglobin bad? A "normal" level of hemoglobin is usually in the range of 14-17gm/dL for men, and 12-15gm/dL for women. However, different laboratories may define the normal range slightly differently.Jul 04, 2019 · If the level of hemoglobin in the blood rises too high, then hemoglobin begins to appear in the urine. This is called hemoglobinuria. This test may be used to help diagnose causes of hemoglobinuria. Normal Results. Normally, hemoglobin does not appear in the urine. What Abnormal Results Mean. Hemoglobinuria may be a result of any of the following: Oct 08, 2020 · Hemoglobin (Hbg) measures the amount of the hemoglobin molecule in a volume of blood and normally is 13.8 to 17.2 grams per deciliter (g/dL) for men and 12.1 to 15.1 g/dL for women. Hematocrit (Hct) signifies the percentage of the whole blood occupied by red blood cells and usually ranges between 45%-52% for men magikarp nest in singapore Jul 04, 2019 · If the level of hemoglobin in the blood rises too high, then hemoglobin begins to appear in the urine. This is called hemoglobinuria. This test may be used to help diagnose causes of hemoglobinuria. Normal Results. Normally, hemoglobin does not appear in the urine. What Abnormal Results Mean. Hemoglobinuria may be a result of any of the following: Normal hemoglobin counts are 14 to 17 gm/dL (grams per deciliter) for men and 12 to 15 gm/dL for women. Is 10.5 hemoglobin bad? A "normal" level of hemoglobin is usually in the range of 14-17gm/dL for men, and 12-15gm/dL for women. However, different laboratories may define the normal range slightly differently.Using a urine test is a quick and inexpensive way to check for blood in your urine, and is one of our test kit products that can be done in the privacy of your home. Normal blood range in urine. less than 3 ery/ul; Blood / hemoglobin (haemoglobin) measuring range. blood 5 - 250 ery/ul; hemoglobin (haemoglobin) 10 - 250 ery/ul freightliner cascadia 126 2022 price Normal value. Source 1. Normally Hemoglobin is negative in the urine. <0.03 mg free Hb/dL. Causes of Hemoglobinuria: It is positive for all causes of hematuria e.g renal calculi. tumors. exposure to toxic drugs. Intravascular hemolysis. Pregnancy and in puerpera. Transfusion reaction. Kidney infarction. Extensive burns. Paroxysmal nocturnal hemoglobinuria.Blood: The chemical examination of urine also measures the amount of red blood ... In healthy individuals, epithelial cells from the bladder and external ... couple poses reference drawing In this case, less than 3 to 5 red blood cells per field or less than 10,000 cells per ml is considered normal. Main signs and symptoms Hemoglobinuria doesn't always cause symptoms, however, there may be visible changes to the urine, such as becoming red and transparent.Prognosis: depends on cause. Pathogenesis. Etiology. Erythrocyte lysis within urine. Hematuria Hematuria. Intravascular hemolysis. Hemoglobin filtered by ...Normal Values Glucose is not usually found in urine. If it is, further testing is needed. Normal glucose range in urine: 0 - 0.8 mmol/l (0 - 15 mg/dL) The examples above are common measurements for results of these tests. Normal value ranges may vary slightly among different laboratories. Some labs use different measurements or test different ...2019. 7. 4. ... If the level of hemoglobin in the blood rises too high, then hemoglobin begins to appear in the urine. This is called hemoglobinuria.Normal hemoglobin levels of women: 12.3 – 15.3 g/dL (average is 13.8 g/dL) Other lab tests results may have a slightly different normal range for hemoglobin levels. For example, Dr. Abimola Farinde on Medscape says that normal hemoglobin levels for men could be as low as 13.0 g/dL. 4 Normal Hgb levels also depend on the age of a person.Laboratory testing involves the checking of blood, urine, and body tissue samples in order to see if the resulting lab values fall within the normal range.Normal hemoglobin levels of women: 12.3 – 15.3 g/dL (average is 13.8 g/dL) Other lab tests results may have a slightly different normal range for hemoglobin levels. For example, Dr. Abimola Farinde on Medscape says that normal hemoglobin levels for men could be as low as 13.0 g/dL. 4. Normal Hgb levels also depend on the age of a person. last year chrysler sebring convertible was made Hemoglobin (Hgb), blood a ... Hematology reference ranges. Glengarry Memorial Hospital. Effective date June 25, 2019. b From The Ottawa Hospital laboratory (2019). ... Normal value: Urine calcium (Ca), unrestricted diet, 24-h specimen c: 2.5-7.5 mmol/24 h: Urine chloride (Cl), 24-h specimen c:In this case, less than 3 to 5 red blood cells per field or less than 10,000 cells per ml is considered normal. Main signs and symptoms Hemoglobinuria doesn't always cause symptoms, however, there may be visible changes to the urine, such as becoming red and transparent. https www liveworksheets com jv153118zr 2019. 7. 4. ... If the level of hemoglobin in the blood rises too high, then hemoglobin begins to appear in the urine. This is called hemoglobinuria.Normal hemoglobin levels generally range from 13.8 to 17.2 grams per deciliter for a male, 12.1 to 15.1 grams per deciliter for a female and 9.5 to 13 grams per deciliter for an infant, states MedlineIf the level of hemoglobin in the blood rises too high, then hemoglobin begins to appear in the urine. This is called hemoglobinuria. This test may be used to help diagnose causes of hemoglobinuria. Normal Results. Normally, hemoglobin does not appear in the urine. What Abnormal Results Mean. Hemoglobinuria may be a result of any of the following: melbourne high school football roster long island murders in the 80s Unless you’re an athlete or regularly visit the doctor for monitoring of a heart condition, you probably haven’t thought much about your heart rate. But, like your blood pressure and other vital bodilOct 08, 2020 · Hemoglobin (Hbg) measures the amount of the hemoglobin molecule in a volume of blood and normally is 13.8 to 17.2 grams per deciliter (g/dL) for men and 12.1 to 15.1 g/dL for women. Hematocrit (Hct) signifies the percentage of the whole blood occupied by red blood cells and usually ranges between 45%-52% for men Jul 04, 2019 · If the level of hemoglobin in the blood rises too high, then hemoglobin begins to appear in the urine. This is called hemoglobinuria. This test may be used to help diagnose causes of hemoglobinuria. Normal Results. Normally, hemoglobin does not appear in the urine. What Abnormal Results Mean. Hemoglobinuria may be a result of any of the following: fatal crash strongsville Jul 24, 2018 · Normal hemoglobin levels of women: 12.3 – 15.3 g/dL (average is 13.8 g/dL) Other lab tests results may have a slightly different normal range for hemoglobin levels. For example, Dr. Abimola Farinde on Medscape says that normal hemoglobin levels for men could be as low as 13.0 g/dL. 4 Normal Hgb levels also depend on the age of a person. Adult man normal reference range is 4.5 - 5.9 million cells per microliter of blood. Adult woman normal reference range is 3.8 - 4.8 million cells per microliter of blood. Normal RBC ranges chart during pregnancy Pregnant red blood cells count is a bit lower than the non-pregnant RBCs, which appear as anemia. pastors being exposed child support illinois number; hebrew national salami shortage 2021; grapheneos adb; geometry dash level ratings; pain under left rib colon cancer; alcoengine reflux still vs t500 Urine dipstick testing is 91 to 100 percent sensitive and 65 to 99 percent specific for detection of red blood cells, hemoglobin , and myoglobin. 16 - 19 A positive finding on urine dipstick. best pizza in surrey 2020/10/13 ... There are numerous possible causes of hematuria — blood in the urine, including kidney disease, injury, certain cancers, urinary tract ...Not detected in normal urine. Application: History of red or dark urine; findings on FBCFull blood count and blood film suggesting intravascular haemolysis; ...Mar 22, 2021 · Hemoglobin. Myoglobin. Blood in the urine indicates damage to kidneys or the urinary tract. Normal value Source 1 Normally Hemoglobin is negative in the urine. <0.03 mg free Hb/dL. Causes of Hemoglobinuria: It is positive for all causes of hematuria e.g renal calculi. tumors. exposure to toxic drugs. Intravascular hemolysis. why is cross cousin marriage preferred Urine dipstick testing is 91 to 100 percent sensitive and 65 to 99 percent specific for detection of red blood cells, hemoglobin , and myoglobin. 16 - 19 A positive finding on urine dipstick.Normal hemoglobin counts are 14 to 17 gm/dL (grams per deciliter) for men and 12 to 15 gm/dL for women. Is 10.5 hemoglobin bad? A "normal" level of hemoglobin is usually in the range of 14-17gm/dL for men, and 12-15gm/dL for women. However, different laboratories may define the normal range slightly differently.2022/04/12 ... A urine test may also find white blood cells, which can be a sign of an infection in your kidneys or another part of your urinary tract. Be sure ...Mar 22, 2021 · Definition of hemoglobinuria: This is the presence of free hemoglobin in the urine, called hemoglobinuria. When the level of free hemoglobin in the blood exceeds the renal excretion threshold, then it results in hemoglobinuria. This lysis of the RBCs takes place in dilute, alkaline urine. The lysis of the RBCs in the urine usually shows a ... uniswap v2 app bladder or kidney infections; kidney stones; high levels of calcium and other minerals in the urine; a problem with the urinary tract; injury to the kidneys ...If the level of hemoglobin in the blood rises too high, then hemoglobin begins to appear in the urine. This is called hemoglobinuria. This test may be used to help diagnose causes of hemoglobinuria. Normal Results. Normally, hemoglobin does not appear in the urine. What Abnormal Results Mean. Hemoglobinuria may be a result of any of the following:What is the normal range of hemoglobin in urine? Hemoglobin (Hb): Between 135 and 175 grams/liter for men. Between 120 and 155 grams/liter for women. What does it mean when you test positive for hemoglobin? Positive results mean Hgb S is present and sickle cells were seen. antidepressants hair loss reddit 2022. 8. 16. ... Gross hematuria occurs when there's enough blood present in your urine that it's visible to the naked eye. · Microscopic hematuria happens when ...child support illinois number; hebrew national salami shortage 2021; grapheneos adb; geometry dash level ratings; pain under left rib colon cancer; alcoengine reflux still vs t500child support illinois number; hebrew national salami shortage 2021; grapheneos adb; geometry dash level ratings; pain under left rib colon cancer; alcoengine reflux still vs t500 lumen corporate headquarters address If the level of hemoglobin in the blood rises too high, then hemoglobin begins to appear in the urine. This is called hemoglobinuria. This test may be used to help diagnose causes of hemoglobinuria. Normal Results. Normally, hemoglobin does not appear in the urine. What Abnormal Results Mean. Hemoglobinuria may be a result of any of the following:2022. 7. 1. ... Microscopic hematuria – Microscopic hematuria means that the urine is normal in color, but there are an increased number of red blood cells seen ...2022/10/13 ... Find out about blood in urine, including causes and symptoms, and how it is treated and diagnosed.Look at the leukocytes levels and make sure they fall in the range of 0 to 10; if the test is elevated and out of normal range, the sample may reveal a kidney infection. ... If more than 3 ery/ul of hemoglobin are found in your urine, further tests will be required to rule out renal failure and/or poisoning. ram dually wheels 20Normal amounts of hemoglobin A1c are about 4%-5.9%. Hemoglobin A1c at 6% correlates to an average glucose level over 3 months of 135 mg/dl. Often, the recommended goal for a person with diabetes is 6.5% hemoglobin A1c (representing a glucose level of 152.5 mg/dl on average).Hemoglobinin the urine is not an expected finding in a normal urine examination. However, hemoglobin can occur because of some situations, such as:.2021. 3. 22. ... Normal value. Source 1. Normally Hemoglobin is negative in the urine. <0.03 mg free Hb/dL. Causes of Hemoglobinuria:. criticism crossword clue On urine test results, urine hemoglobin=trace-intact, urine microscopic = indicated, wbc/hpf=0-3, rbc/hpf=0-3. what do these results & terms mean?. unit 4 progress check mcq ap lang brotherhood of the blood society Clinical laboratory tests – Adult normal values · Arterial blood gases · Blood · Lipids · Low-Density Lipoprotein (LDL) Analysis · Urine · Reproductive hormones ...Urinalysis includes protein, blood, glucose, pH, ketones, ... In healthy individuals urine color ranges from pale yellow to amber, depending on their state ... mn miniature horse club Nov 26, 2021 · Hemoglobinuria is defined as the presence of hemoglobin in the urine and it is usually noted as a positive (+) result in the urinalysis section. Hemoglobin is a protein of the red blood cells (RBCs) that carries oxygen from blood to organs and tissues. Hemoglobin may be present in the urine as a result of red blood cell lysis that occurs in the ... Oct 08, 2020 · Hemoglobin (Hbg) measures the amount of the hemoglobin molecule in a volume of blood and normally is 13.8 to 17.2 grams per deciliter (g/dL) for men and 12.1 to 15.1 g/dL for women. Hematocrit (Hct) signifies the percentage of the whole blood occupied by red blood cells and usually ranges between 45%-52% for men If they are higher than this, it could be an indication that you have a white blood cell infection known as micro. Bacteria. Normally found in cases of urinary ...The small amount of hemoglobin in urine does not give visible color which can be detected by the dipstick method. ... Normal value. Source 1. Normally Hemoglobin is negative in the urine. <0.03 mg free Hb/dL. Causes of Hemoglobinuria: It is positive for all causes of hematuria e.g renal calculi. apalachicola festivals 2022 Jul 24, 2018 · Normal hemoglobin levels of women: 12.3 – 15.3 g/dL (average is 13.8 g/dL) Other lab tests results may have a slightly different normal range for hemoglobin levels. For example, Dr. Abimola Farinde on Medscape says that normal hemoglobin levels for men could be as low as 13.0 g/dL. 4. Normal Hgb levels also depend on the age of a person. If the level of hemoglobin in the blood rises too high, then hemoglobin begins to appear in the urine. This is called hemoglobinuria. This test may be used to help diagnose causes of hemoglobinuria. Normal Results. Normally, hemoglobin does not appear in the urine. What Abnormal Results Mean. Hemoglobinuria may be a result of any of the following: syracuse university size Not detected in normal urine. Application: History of red or dark urine; findings on FBCFull blood count and blood film suggesting intravascular haemolysis; ...Jul 04, 2019 · If the level of hemoglobin in the blood rises too high, then hemoglobin begins to appear in the urine. This is called hemoglobinuria. This test may be used to help diagnose causes of hemoglobinuria. Normal Results. Normally, hemoglobin does not appear in the urine. What Abnormal Results Mean. Hemoglobinuria may be a result of any of the following: fnf vs qt snokido A patient's urine test values should be interpreted based on the reference value of the laboratory in which the test was done; the laboratory typically provides these values with the test result. Representative values are listed in alphabetical order in the following table. vacationland novel 2020/09/10 ... High calcium levels in the urine (called hypercalciuria). Kidney stones. Trauma or injury. Structural problems or blockage in the urinary tract.2006. 5. 15. ... Etiologies of microscopic hematuria range from incidental causes to ... Urine normally contains a few red blood cells, and microscopic ...Oct 08, 2020 · Hemoglobin (Hbg) measures the amount of the hemoglobin molecule in a volume of blood and normally is 13.8 to 17.2 grams per deciliter (g/dL) for men and 12.1 to 15.1 g/dL for women. Hematocrit (Hct) signifies the percentage of the whole blood occupied by red blood cells and usually ranges between 45%-52% for men This limit, termed the renal threshold for glucose, is normally equivalent to a blood glucose concentration in the range of 160 to 180 mg/dL. Thus, the presence ... dachshund puppies for sale milwaukee wi child support illinois number; hebrew national salami shortage 2021; grapheneos adb; geometry dash level ratings; pain under left rib colon cancer; alcoengine reflux still vs t500In this case, less than 3 to 5 red blood cells per field or less than 10,000 cells per ml is considered normal. Main signs and symptoms Hemoglobinuria doesn't always cause symptoms, however, there may be visible changes to the urine, such as becoming red and transparent. qncy spa What's a Normal Hemoglobin A1c Test? For people without diabetes, the normal range for the hemoglobin A1c level is between 4% and 5.6%. Hemoglobin A1c levels between 5.7% and 6.4% mean...Definition of hemoglobinuria: This is the presence of free hemoglobin in the urine, called hemoglobinuria. When the level of free hemoglobin in the blood exceeds the renal excretion threshold, then it results in hemoglobinuria. This lysis of the RBCs takes place in dilute, alkaline urine. The lysis of the RBCs in the urine usually shows a ...Oct 08, 2020 · Hemoglobin (Hbg) measures the amount of the hemoglobin molecule in a volume of blood and normally is 13.8 to 17.2 grams per deciliter (g/dL) for men and 12.1 to 15.1 g/dL for women. Hematocrit (Hct) signifies the percentage of the whole blood occupied by red blood cells and usually ranges between 45%-52% for men Sep 05, 2019 · It also transports carbon dioxide (CO 2) from around your body back to your lungs through your veins. Hgb is what makes red blood cells look red. Abnormally high or low Hgb can cause symptoms like ... canadaammo com service Adult man normal reference range is 4.5 - 5.9 million cells per microliter of blood. Adult woman normal reference range is 3.8 - 4.8 million cells per microliter of blood. Normal RBC ranges chart during pregnancy Pregnant red blood cells count is a bit lower than the non-pregnant RBCs, which appear as anemia.What are normal results for this test? Laboratory test results may vary depending on your age, gender, health history, the method used for the test, and many ...2006. 5. 15. ... Etiologies of microscopic hematuria range from incidental causes to ... Urine normally contains a few red blood cells, and microscopic ...Urine creatinine test results are usually reported in mg/dL (milligrams per deciliter). The normal range is around 20 - 275 mg/dL in women and 20 - 320 mg/dL in men. Ranges may vary between laboratories. 24h Creatinine Results of the 24h creatinine test are typically reported in g/24h (grams of creatinine in the urine over 24 hours). if certain substances' levels in your urine are above or ... failure to maintain financial responsibility missouri As such, very few laboratories (if any) would report normal ranges for urine microscopy. White Blood Cells. In terms of white blood cell counts (WBC) in ...If the level of hemoglobin in the blood rises too high, then hemoglobin begins to appear in the urine. This is called hemoglobinuria. This test may be used to help diagnose causes of hemoglobinuria. Normal Results. Normally, hemoglobin does not appear in the urine. What Abnormal Results Mean. Hemoglobinuria may be a result of any of the following:2007. 8. 31. ... URINE SPECIFIC GRAVITY: values of dogs and cats obtained with reagent ... by ascorbic acid normally present in canine and feline urine. nate the lawyer wiki 2007. 9. 18. ... Key words: biochemistry, blood sampling, hematology, rabbit, ... Most reference ranges are from experimental laboratory studies that are run ...Oct 08, 2020 · Hemoglobin (Hbg) measures the amount of the hemoglobin molecule in a volume of blood and normally is 13.8 to 17.2 grams per deciliter (g/dL) for men and 12.1 to 15.1 g/dL for women. Hematocrit (Hct) signifies the percentage of the whole blood occupied by red blood cells and usually ranges between 45%-52% for men suzuki swift catalytic converter scrap price Sep 05, 2019 · It also transports carbon dioxide (CO 2) from around your body back to your lungs through your veins. Hgb is what makes red blood cells look red. Abnormally high or low Hgb can cause symptoms like ... aqua lisa In this case, less than 3 to 5 red blood cells per field or less than 10,000 cells per ml is considered normal. Main signs and symptoms Hemoglobinuria doesn't always cause symptoms, however, there may be visible changes to the urine, such as becoming red and transparent.Urinalysis includes protein, blood, glucose, pH, ketones, ... In healthy individuals urine color ranges from pale yellow to amber, depending on their state ...Using a urine test is a quick and inexpensive way to check for blood in your urine, and is one of our test kit products that can be done in the privacy of your home. Normal blood range in urine. less than 3 ery/ul; Blood / hemoglobin (haemoglobin) measuring range. blood 5 - 250 ery/ul; hemoglobin (haemoglobin) 10 - 250 ery/ulUnless you’re an athlete or regularly visit the doctor for monitoring of a heart condition, you probably haven’t thought much about your heart rate. But, like your blood pressure and other vital bodil a toast to lost friends