Urine test, Internal Medicine FAQ - Page 4

Share to:
Understanding Prediabetes Diagnosis After Post-Meal Blood Sugar Test

Regarding the postprandial blood glucose test results in the United States indicating prediabetes? Hello Dr. Lee, I am approximately 169 cm tall and weighed 67.5 kg at the time of my examination on July 28. I have a history of ankylosing spondylitis (diagnosed in 2008) and am a ...


Dr. Li Jian Reply:
Glycated hemoglobin (HbA1c): A level of 5.8% is sufficient to diagnose prediabetes. HbA1c can be tested after meals, and a follow-up test can be conducted in three months.

[Read More] Understanding Prediabetes Diagnosis After Post-Meal Blood Sugar Test


Understanding Rapid Heartbeat and Kidney Health: Do You Need Dialysis?

Sought medical attention due to rapid heartbeat? Due to experiencing a rapid heartbeat and occasional lower back pain, a series of tests were conducted. Initially, it was thought to be a heart issue, but later it was found that the blood CR(B) level is 1.04, uric acid is 7.8, cho...


Dr. Wu Jiyu Reply:
Based on the data you provided, a serum creatinine level of 1.04 corresponds to an estimated glomerular filtration rate (eGFR) greater than 60, which falls within the normal range, and there is no need to worry about dialysis. As for your elevated uric acid and cholesterol levels...

[Read More] Understanding Rapid Heartbeat and Kidney Health: Do You Need Dialysis?


Understanding Urination Issues: When to See a Doctor?

Urinary problems I would like to ask if it is necessary to see a doctor or to pay for an abdominal X-ray or ultrasound? Blood and urine tests have all come back normal, but I feel that there is a significant difference between the amount of water I drink and the amount I urinate....


Dr. Wu Jiyu Reply:
According to the data you provided, a serum creatinine level of 0.9 corresponds to an estimated glomerular filtration rate (eGFR) greater than 60, which falls within the normal range. Regarding your input/output from 9/18 to 9/21, with an intake of 8700 cc and an output of 3750 c...

[Read More] Understanding Urination Issues: When to See a Doctor?


Understanding Sudden Increase in Creatinine Levels: Causes and Concerns

Short-term rapid increase in creatinine levels? Hello Dr. Wu, On August 28, 2021, I went to the hospital for a blood test. On that day, I checked the report online and found that my creatinine level had risen to 1.28. The creatinine levels from the previous four months were 1.0...


Dr. Wu Jiyu Reply:
Regarding the definition of chronic kidney disease (CKD), you mentioned that the five data points you provided indicated the presence of urinary protein, which alerted you to your kidney function. The four measurements of glomerular filtration rate (GFR) were 75, 83, 75, and 79 m...

[Read More] Understanding Sudden Increase in Creatinine Levels: Causes and Concerns


Understanding Stiff and Swollen Finger Joints: Causes and Solutions

Stiffness and swelling in the finger joints? Hello Doctor: Last year in late autumn, I noticed stiffness in my finger joints upon waking up, but it was mild, so I didn't pay much attention to it. Recently, however, the frequency has increased, and almost every day my fingers...


Dr. Zeng Guosen Reply:
Hello, experiencing stiffness in the finger joints upon waking, pain in the index finger, swelling in the fingers, positive urine occult blood test, and hair loss should not be ignored, but there is no need to panic. Please seek medical evaluation, as there are many potential cau...

[Read More] Understanding Stiff and Swollen Finger Joints: Causes and Solutions


Is Foamy Urine Normal for Diabetics? Understanding the Signs

Diabetes and foamy urine? Hello doctor, my dad has bubbles in his urine and he has diabetes. I would like to know if this is normal or if it is a sign of worsening diabetes. Thank you, doctor.


Dr. Hong Yuanbin Reply:
Hello, the presence of bubbles in urine does not necessarily indicate proteinuria. It is recommended to visit a hospital for a urine test to determine this. Additionally, having proteinuria does not necessarily mean that diabetes is worsening. It is advisable to purchase a blood ...

[Read More] Is Foamy Urine Normal for Diabetics? Understanding the Signs


Do Steroids Affect Blood Test Results in Rheumatology Patients?

I would like to inquire if steroids can affect the results of blood tests in immunology and rheumatology? Hello Doctor: In recent months, the joints in my fingers have started to swell and hurt gradually, making it difficult to bend or extend them, and I cannot apply force. The b...


Dr. Gao Jiankai Reply:
Hello, thank you for your question. The administration of steroids may only affect certain laboratory results, including white blood cell counts, but it should have minimal impact on the indicators for rheumatic diseases or allergic conditions. I believe your symptoms include bot...

[Read More] Do Steroids Affect Blood Test Results in Rheumatology Patients?


Understanding Unexplained Low-Grade Fever: Causes and Next Steps

Unexplained low-grade fever Hello doctor, I have been experiencing intermittent elevated body temperature above 37.3°C since the end of May, but it does not exceed 37.8°C (most often occurring in the evening). Although my temperature is not very high, when it rises to this range,...


Dr. Lin Wufu Reply:
Hello: There are many causes of low-grade fever, including underlying infections, autoimmune diseases, tumors, and endocrine issues. It is recommended that you visit an infectious disease clinic and bring your recent test reports to arrange for further relevant examinations (ther...

[Read More] Understanding Unexplained Low-Grade Fever: Causes and Next Steps


Understanding Proteinuria: Causes, Concerns, and Testing Accuracy

Regarding proteinuria? Hello Doctor: I have recently noticed that my urine has bubbles that slowly dissipate within 5-10 minutes, leaving a small amount that does not disperse. This condition is most pronounced in the first morning urine (the bubbles dissipate slowly, and there i...


Dr. Lin Wuxuan Reply:
Hello: Regarding the causes of foamy urine, in addition to proteinuria, the presence of glucose in the urine and inflammatory conditions can also lead to the production of foamy urine. If proteinuria is negative and other parameters in the routine urinalysis are within normal ran...

[Read More] Understanding Proteinuria: Causes, Concerns, and Testing Accuracy


Understanding Foamy Urine: Causes, Concerns, and Kidney Health

Foamy urine? Hello Doctor, I am 32 years old. Recently, I noticed that my urine has bubbles, which dissipate within 5-10 minutes, but there are small persistent bubbles at the edge of the toilet, especially noticeable during the first urination in the morning, where the bubbles d...


Dr. Wu Hongjie Reply:
1. I would like to ask if my situation is considered abnormal. Is a normal eGFR value ideally around 100? The eGFR is an estimate and is related to factors such as gender, muscle mass, and age; a value above 60 is generally acceptable. To diagnose kidney disease, it must be accom...

[Read More] Understanding Foamy Urine: Causes, Concerns, and Kidney Health


Managing Fluctuating Creatinine Levels: Causes and Solutions

What should be done if creatinine levels fluctuate and increase over a short period? In January 2020, the urea nitrogen level was 0.88, in July 2020 it was 1.22, in January 2021 it was 1.14, in February 2021 it was 0.98, and in April 2021 it was 1.26. There was foamy urine, but t...


Dr. Wu Jiyu Reply:
Based on the data you provided, the calculated e-GFR (estimated Glomerular Filtration Rate) values are 95, 66, 70, 84, and 63, which indeed show some variation. Recommendations are as follows: 1. If there is no proteinuria, a low-protein diet is not necessary at this time, but a ...

[Read More] Managing Fluctuating Creatinine Levels: Causes and Solutions


Understanding Urine Tests: What High Protein Levels Mean for Kidney Health

Urinalysis for renal function assessment? Doctor, I visited the clinic due to anxiety-related hypertension and underwent a urinalysis, which revealed proteinuria at 20.51 mg/dL (normal range 0-20 mg/dL) and creatinine at 26.60 mg/dL (normal range 0-250 mg/dL). However, the ratio ...


Dr. Wu Jiyu Reply:
In the past, testing for proteinuria required a 24-hour urine collection, but this is no longer necessary. Now, a single urine sample can be tested for protein and creatinine to provide a rough estimate. For example, (20.51/26.6)*1000=771, which is greater than the normal value o...

[Read More] Understanding Urine Tests: What High Protein Levels Mean for Kidney Health


Understanding Blood Sugar and Kidney Health: Key Insights for Patients

Regarding blood sugar and the kidneys? Hello, doctor. At the end of last month, I visited a nearby clinic due to a urinary tract infection. My postprandial blood glucose was measured at 217 (more than one hour after eating). After a blood test, my hemoglobin A1c was found to be 5...


Dr. Chen Jianyu Reply:
Your situation is complex, and it is difficult to convey through text, which may lead to misunderstandings. It is recommended to seek assistance from a specialist in endocrinology, nephrology, or urology. Thank you. 109.12.24

[Read More] Understanding Blood Sugar and Kidney Health: Key Insights for Patients


Understanding Creatinine Levels: Impact of Exercise and Hydration

Creatinine: Differences Before and After Exercise Hello Doctor, during the company health check, my creatinine level was found to be 1.38 mg/dL, and my glomerular filtration rate (GFR) was 63.9 mg/dL. My cholesterol level was 205 mg/dL. I am a carrier of hepatitis B, obese, and h...


Dr. Su Zhehong Reply:
Intense exercise or an increase in muscle mass can cause a slight rise in creatinine levels, which does not necessarily indicate a decline in kidney function. If the levels are not continuously rising or accompanied by proteinuria, it is generally acceptable to monitor the situat...

[Read More] Understanding Creatinine Levels: Impact of Exercise and Hydration


Understanding Declining GFR: When to See a Nephrologist?

The glomerular filtration rate (GFR) has been continuously declining? I would like to inquire about my health check report. My glomerular filtration rate (GFR) is 78, creatinine is 1.09, blood urea nitrogen (BUN) is 13.2, and uric acid is 4.9. All other reports are normal, and th...


Dr. Wu Hongjie Reply:
Hello: The glomerular filtration rate (GFR) is a variable value. If the GFR is <60 ml/min and persists for more than three months, the likelihood of a diagnosis of renal failure is high. If the GFR is >60 and there are no other pathological findings (such as renal biopsy), ...

[Read More] Understanding Declining GFR: When to See a Nephrologist?


Understanding High Urinary Protein Levels: Causes and Concerns

Feeling scared due to high levels of protein in urine? Urine analysis shows the following results: - Creatinine (CRE): 189.40 mg/dL (normal range: 14-26 mg/dL) - Protein/Creatinine Ratio (P/C Ratio): 1558 (normal range: below 200) - Urine Total Protein: 295.0 mg/dL (normal rang...


Dr. Huang Yaoxuan Reply:
Hello Jack: "Urine 3+ and below are the contents of the urine. On 10/19, CRE (creatinine) was 189.40, with a standard range of 14-26. P/C Ratio was 1558, with a standard of below 200. Urine Total Protein was 295.0, with a standard of below 15." Among these urine test it...

[Read More] Understanding High Urinary Protein Levels: Causes and Concerns


Understanding Unexplained Fever: Causes and When to Seek Help

Fever of unknown origin? Hello, doctor. Last October, I was hospitalized for a week due to a fever. At that time, I had no other symptoms, just persistent fever, chills, and muscle weakness in my limbs. My temperature was around 38 degrees Celsius, and despite undergoing rapid te...


Dr. Hong Yuanbin Reply:
Hello, based on your description, it is indeed necessary to conduct a detailed examination regarding the fever. Routine health check-ups may not necessarily identify the cause. I recommend consulting an infectious disease specialist at a major hospital for a fever workup. If no c...

[Read More] Understanding Unexplained Fever: Causes and When to Seek Help


Understanding Your Health Check: Urine Protein and Kidney Concerns

Health Examination Report I recently received my health check-up report, which shows urine protein +/- occult blood 1+, blood urea nitrogen 7.4, and a few bacteria. My menstrual period ended about ten days ago before the check-up. Should I schedule an appointment with a nephrolog...


Dr. Wu Hongjie Reply:
Hello: The bacteria may not have completely disappeared, which could result in incomplete recovery from the infection, causing persistent proteinuria. Hematuria may also be present for the same reason. It is recommended to follow up with urine tests. Confirm the resolution of the...

[Read More] Understanding Your Health Check: Urine Protein and Kidney Concerns


Managing Kidney Medication Issues in Heart Failure Patients

Medication Issues in Renal Management for Heart Failure Patients Dear Doctor, My father is suffering from moderate to severe heart failure, and due to severe leg edema, he needs to limit his fluid intake. He has been on diuretics for 14 consecutive months, which has resulted in ...


Dr. Huang Yaoxuan Reply:
Dear Ms. Lin, Regarding your father's condition, it is recommended that you consult with a nephrologist to discuss his situation. Additionally, if you are concerned about kidney function, you may want to know about kidney care methods that are applicable regardless of wheth...

[Read More] Managing Kidney Medication Issues in Heart Failure Patients


Understanding Compensatory Hypertrophy in Kidney Function: What It Means

Renal compensatory mechanisms疑惑 Hello, doctor. I would like to ask if the phenomenon of compensatory hypertrophy in one kidney indicates that the other kidney has completely lost its function in medical terms? Will the smaller kidney still have function? One kidney measures 12 cm...


Dr. Huang Yaoxuan Reply:
Hello Mr. A Shui: First, I would like to confirm your kidney sizes, "one is 12 cm and the other is 9 cm." Were these measurements obtained from an ultrasound examination? The following information is based on the ultrasound findings. Normal kidney size is approximately ...

[Read More] Understanding Compensatory Hypertrophy in Kidney Function: What It Means


Previous|Page Next