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Published on: Jan 23, 2022
3 minute read
By: Second Medic Expert

Diagnostics: Kidney Function Test

Diagnostics: Kidney function Test

Blood and urine tests are done to check kidney function.

Blood tests that can help assess kidney function include creatinine level, blood urea nitrogen level, and estimated glomerular filtration rate (eGFR).

Urine tests that can help assess kidney function include urine protein test, urine specific gravity test, and urine creatinine test.

What tests are done to check kidney function?

The most common tests to check kidney function are a blood test called creatinine and a urine test called albumin.

Creatinine is a waste product that is released into the blood when the muscle is damaged. So if the kidneys are not working properly, creatinine levels will go up. Albumin is a protein that is found in the urine. If the kidneys are not working properly, more albumin will leak out of the kidneys and into the urine.

Other tests that may be done to check kidney function include:

-A blood test to measure creatinine clearance. This measures how well the kidneys are filtering creatinine from the blood.

-A urine test to measure protein levels. High protein levels

When a doctor checks kidney function, they will order a blood test to check creatinine levels and blood urea nitrogen levels. These tests give an indication of how well the kidneys are working. If the creatinine or BUN levels are high, it means that the kidneys are not working properly. The doctor may also order a urine test to look for albumin in the urine. Albumin is a protein that is normally filtered out by the kidneys. If there is albumin in the urine, it means that the kidneys are not working properly.

What is the most accurate test for kidney function?

The most accurate test for kidney function is a creatinine blood test. It measures the level of creatinine in your blood. Creatinine is a waste product that is released when muscle tissue is damaged. So the higher your creatinine level, the more damage your kidneys have sustained.

Other tests that can be used to measure kidney function include a BUN (blood urea nitrogen) test and urine analysis. However, both tests are less accurate than the creatinine blood test.

What is a normal kidney function level?

Normal kidney function is when the kidneys filter wastes and excess fluid from the blood to make urine. The normal range for creatinine, a waste product that is filtered out by the kidneys, is 0.5 to 1.1 mg/dL for women and 0.6 to 1.2 mg/dL for men. Urine output should be about 600 to 800 mL per day. If you have symptoms such as foamy urine, swelling in your legs, shortness of breath, or chest pain, see your doctor right away because they may be signs of a problem with your kidneys.

Normal kidney function is defined as a creatinine level below 1.5 mg/dL in men and below 1.4 mg/dL in women. Creatinine is a waste product that is eliminated from the body through the kidneys. When the kidneys are functioning properly, they filter creatinine and other waste products from the blood and excrete them in urine. A creatinine level that is higher than normal indicates that the kidneys are not filtering blood as efficiently as they should be. This can be a sign of many different diseases or conditions, including kidney disease, liver disease, heart failure, and diabetes.

What are the first signs of kidney disease?

The first signs of kidney disease are usually subtle and can be easily missed. Here are five common early signs of kidney disease:

1) Changes in urine output, such as a decrease in the amount of urine produced or an increase in the amount of time needed to produce a full bladder

2) Increased thirst and urination, caused by the body's efforts to get rid of excess fluid by increasing urine production

3) Foamy or bubbly urine, a sign that protein is spilling over into the urine from damaged kidneys

4) Swelling in feet, ankles, and legs, caused by buildup of fluid called edema

5) Feeling tired and sluggish all the time, possibly due to anemia

Can a blood test detect kidney problems?

Yes. A blood test can detect kidney problems by looking for biomarkers in the blood that indicate a problem with the kidneys.

Some common biomarkers that may be detected in a blood test include creatinine, urea nitrogen, and albumin. If any of these biomarkers are elevated, it may indicate that there is a problem with the kidneys.

Kidney problems can be detected through blood tests, although the specific tests used will vary depending on the nature of the kidney problem.

Some common blood tests used to detect kidney problems include:

-A creatinine level, which measures how well your kidneys are filtering waste products from your blood

-A BUN level, which measures how much urea (a breakdown product of protein) is in your blood

-An albumin level, which measures how much albumin (a type of protein) is in your urine

-A creatinine clearance test, which measures how much creatinine is cleared from your blood per minute

Read Blog

Remote Cardiac Monitoring India: Transforming Heart Health Through Continuous Digital Tracking

Heart disease remains one of the leading causes of death in India. According to the Indian Council of Medical Research (ICMR), cardiovascular diseases account for nearly 28% of total deaths in the country. With rising stress levels, sedentary lifestyles, air pollution exposure, diabetes, hypertension, and delayed diagnosis, the need for better cardiac monitoring has grown significantly. Remote cardiac monitoring India is emerging as a powerful solution to monitor heart health in real time and detect abnormalities before they turn into emergencies.

Remote cardiac monitoring involves wearable or portable ECG devices that track heart signals continuously or at regular intervals. These devices transmit data securely to cardiologists or AI-based systems, enabling early detection of arrhythmias, rhythm abnormalities, ischemic patterns, and fluctuations in heart rate variability (HRV). SecondMedic brings cutting-edge remote monitoring options that help patients manage heart-related risks effectively, anytime and anywhere.

Why Remote Cardiac Monitoring Is Becoming Essential in India

India has a disproportionately high cardiac burden. Reports by WHO show that Indians suffer heart attacks at a younger age compared to global averages. Additionally, more than 50% of cardiac patients in India do not recognize early warning signs and reach hospitals late.

Remote cardiac monitoring helps solve these challenges by offering:

Early arrhythmia detection
Timely identification of heart stress
Post-surgery cardiac recovery supervision
Reduced hospital dependency
Continuous heart rhythm tracking
Better outcomes for chronic heart patients

With easy access to digital ECG devices, monitoring is no longer limited to hospitals.

How Remote Cardiac Monitoring Works

Remote cardiac monitoring uses smart ECG patches, chest straps, handheld ECG devices, and even AI-driven wearables. These devices record heart electrical activity or rhythm patterns and transmit the data to:

Cardiologists
Digital dashboards
AI algorithms
Care teams

The real-time nature of the data allows immediate response in case of abnormalities.

Core parameters captured include:

ECG waveform
Heart rate variability (HRV)
Arrhythmias (AFib, SVT, PVCs)
Tachycardia or bradycardia
QT interval abnormalities
Stress-related heart rhythm changes

SecondMedic ensures that the captured data is clinically relevant and accessible to both patients and doctors.

Patients Who Benefit Most from Remote Cardiac Monitoring

1. Post-Cardiac Surgery Patients

After angioplasty, bypass surgery, pacemaker implantation, or stent placement, patients require strict monitoring for weeks or months. Remote devices track recovery trends.

2. Individuals With Arrhythmia

Conditions like atrial fibrillation (AFib) require continuous monitoring, as episodes may come and go unpredictably.

3. Patients With Heart Failure

Monitoring helps evaluate worsening symptoms or cardiac stress.

4. High-Risk Individuals

Patients with diabetes, hypertension, obesity, or family history of heart disease benefit from early detection.

5. Elderly and Homebound Patients

Remote monitoring eliminates frequent hospital visits for routine ECG checks.

6. People Experiencing Palpitations

Intermittent symptoms can be captured and analyzed with wearable monitors.

Key Advantages of Remote Cardiac Monitoring

Early Detection Saves Lives

Abnormal rhythms such as atrial fibrillation can go unnoticed and lead to stroke. Remote monitoring detects these in real time.

Avoids Emergency Situations

AI alerts allow doctors to intervene early before symptoms worsen.

Better Long-Term Cardiac Care

Continuous data provides better insights than occasional clinic-based ECGs.

High Accuracy

Medical-grade ECG wearables match hospital-level precision for diagnosis.

Patient Convenience

Patients can monitor their heart health from home, office, or while traveling.

Improved Doctor Decisions

Trend-based cardiac data supports more accurate treatment planning.

Role of AI in Remote Cardiac Monitoring

AI and machine learning models analyze patterns collected from ECG devices.

AI enhances care by:

Identifying subtle abnormalities
Predicting arrhythmia events
Detecting ischemic trends early
Classifying ECG signal types
Reducing manual interpretation burden

SecondMedic integrates AI-assisted analysis to strengthen cardiac risk evaluation.

Post-Surgery and Rehabilitation Monitoring

Cardiac rehabilitation is crucial after major procedures. Remote monitoring provides:

Heart rate control
Blood pressure trend tracking
Rhythm abnormality detection
Activity monitoring
Medication adherence support

This reduces readmission rates and supports safer recovery.

Remote Cardiac Monitoring in Rural India

Many small towns lack cardiology specialists or advanced ECG equipment. Remote monitoring bridges this gap by:

Connecting patients to cardiologists virtually
Providing ECG analysis without hospital visits
Reducing delay in diagnosis
Supporting long-term monitoring at home

SecondMedic helps democratize heart care access across India.

Challenges and Solutions

Device Accuracy Variability

Solution: Use medical-grade, certified ECG wearables.

Digital Literacy Issues

Solution: Simple interfaces, guided onboarding, multilingual instructions.

Data Security

Solution: End-to-end encrypted data under DPDP Act compliance.

Connectivity Challenges

Solution: Devices with offline sync capabilities.

Future of Remote Cardiac Monitoring in India

The next decade will bring significant advancements:

Patch-based continuous ECG devices
AI-driven early warning scores
Smart pacemaker data integration
Multi-day continuous ECG monitoring
Predictive arrhythmia detection algorithms
Tele-ICU support for remote patients

SecondMedic is actively working to integrate next-generation cardiac monitoring tools into its platform.

Conclusion

Remote cardiac monitoring India is transforming heart care by enabling real-time ECG tracking, early abnormality detection, and continuous cardiologist oversight. This digital-first approach empowers high-risk patients, improves outcomes, and ensures safer long-term cardiac management. SecondMedic’s integrated digital heart monitoring solutions allow patients across India to access expert cardiac care anytime.

To explore remote cardiac monitoring solutions, visit www.secondmedic.com

References

ICMR - Cardiovascular disease burden
WHO - Early cardiac risk detection
NITI Aayog - Digital health innovation in India
ABDM - Unified digital health mission
Statista - Wearable and ECG device adoption India
SecondMedic cardiac care insights

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