Diagnosis
Understanding test results and differential diagnoses.
Latest discussions
Why is my doctor testing my 'Uric Acid' levels?
Created by Noor Ansari (2 months ago)
High uric acid (hyperuricemia) can lead to the formation of painful crystals in the joints (Gout) or the kidneys (Kidney Stones). It is often tested if you have sudden joint pain or recurrent stones.
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What is a 'T-Score' in a Bone Density (DEXA) scan?
Created by Simran Singh (2 months ago)
A T-score compares your bone density to that of a healthy young adult. A score of -1.0 to -2.5 indicates Osteopenia (low bone mass), and -2.5 or lower indicates Osteoporosis (high risk of fracture).
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What is a 'Urine Culture' and how is it different from a Urinalysis?
Created by Riya Pandey (2 months ago)
A urinalysis is a quick check for signs of infection (like white blood cells). A urine culture takes 24-48 hours and actually 'grows' the bacteria to identify the exact strain and which antibiotics wi...
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What does a 'Positive' ANA test mean?
Created by Diya Sharma (2 months ago)
An Antinuclear Antibody (ANA) test detects antibodies that attack your own tissues. While a positive result can suggest an autoimmune disease like Lupus or Scleroderma, it is not a definitive diagnosi...
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What is the purpose of an 'Exercise Stress Test'?
Created by Elizabeth Pereira (2 months ago)
It determines how well your heart handles physical activity. As you walk on a treadmill, your heart rate and rhythm are monitored via ECG to see if the heart's blood supply is restricted during exerti...
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How is Vitamin B12 deficiency diagnosed?
Created by Imran Siddiqui (2 months ago)
It is diagnosed through a simple blood test. Symptoms like fatigue, numbness, and memory loss often prompt the test. If levels are low, your doctor may also test for 'Intrinsic Factor' to see if you h...
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What is a 'Holter Monitor'?
Created by Maria D'Souza (2 months ago)
A Holter monitor is a portable ECG device you wear for 24 to 48 hours to record your heart's electrical activity during your normal daily routine. It helps catch heart rhythm irregularities that a sta...
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What does a high 'CRP' level in my blood mean?
Created by John D'Costa (2 months ago)
C-Reactive Protein (CRP) is a marker of inflammation in the body. It doesn't tell you *where* the inflammation is, but high levels can indicate an infection, an autoimmune flare, or an increased risk...
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How is Sleep Apnea diagnosed?
Created by Manpreet Singh (2 months ago)
The definitive diagnosis is made via a Polysomnogram (Sleep Study). The patient is monitored overnight for heart rate, breathing patterns, oxygen levels, and brain waves to count how many times breath...
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Can a blood test detect cancer?
Created by Michael Rodrigues (2 months ago)
Some blood tests, called tumor markers (like CA-125 for ovarian or PSA for prostate), can suggest cancer, but they are rarely used alone for diagnosis. They are most helpful for monitoring how a patie...
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