How to check kidneys
The kidney is an important excretory and regulatory organ in the human body, and its health directly affects the overall body function. In recent years, with the increase in health awareness, kidney examination has become a hot topic. This article will combine the hot content on the Internet in the past 10 days to introduce in detail the methods, precautions and related data of kidney examination.
1. Common kidney examination methods
Kidney examinations mainly include laboratory examinations and imaging examinations. The following are the specific examination items and their functions:
| Check type | Check items | effect |
|---|---|---|
| laboratory tests | Urine routine | Detect protein, red blood cells, white blood cells, etc. in urine to initially judge kidney function |
| Serum creatinine | Assess kidney filtration function, elevated values may indicate impaired kidney function | |
| Urea nitrogen | Reflects the excretory function of the kidneys and is more accurate when combined with serum creatinine | |
| Imaging examination | B-ultrasound | Observe the size and shape of the kidneys and whether there are stones, cysts, etc. |
| CT/MRI | Further clarify issues such as renal structural abnormalities or tumors | |
| renal arteriography | Check whether the renal blood vessels are narrowed or blocked |
2. Precautions for kidney examination
1.Preparation before inspection:Some tests (such as urine routine) need to be done on an empty stomach in the morning, and strenuous exercise or alcohol consumption should be avoided.
2.Check time:Laboratory tests usually produce results on the same day, while imaging tests may take 1-3 working days.
3.Special groups:Pregnant women, children or patients with chronic kidney disease need to adjust the examination plan according to the doctor's advice.
3. Popular kidney health topics on the Internet in the past 10 days
According to recent hot data analysis, the following topics have received relatively high attention:
| hot topics | focus of discussion | heat index |
|---|---|---|
| early signs of kidney disease | Atypical symptoms such as increased nocturia and edema | 85% |
| kidney test cost | Comparison of examination prices in different regions and hospitals | 78% |
| Diet to protect kidneys | Scientific basis for low-salt, low-protein diet | 92% |
4. How to interpret kidney test reports
The following are the normal reference ranges and abnormal meanings of common indicators:
| Indicator name | normal range | abnormal meaning |
|---|---|---|
| Urinary protein | Negative(-) | Positive results may indicate nephritis, nephrotic syndrome, etc. |
| Serum creatinine | Male: 53-106μmol/L Women: 44-97μmol/L | If the increase exceeds 20%, you should be alert to decreased renal function. |
| glomerular filtration rate | ≥90mL/min | <60 mL/min may indicate chronic kidney disease |
5. Recommendations for preventing kidney disease
1.Regular inspection:People over 40 years old are recommended to have a urine routine and kidney function test once a year.
2.Control underlying diseases:Patients with hypertension and diabetes need to strictly monitor blood pressure and blood sugar.
3.Avoid drug abuse:Some painkillers and antibiotics may damage the kidneys and must be used according to medical advice.
Through scientific examination methods and health management, kidney problems can be detected early and intervened in time. If you have relevant symptoms or concerns, it is recommended to go to the nephrology department of a regular hospital as soon as possible.
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