Health Library
Heart & Circulation
Understand silent cardiovascular risk, chest symptoms, palpitations, swelling and fainting — with clear boundaries for urgent medical care.
Guides
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Read what is relevant now. If a red flag is present, seek medical care rather than continuing to self-diagnose online.
High Cholesterol: A Silent Risk You Cannot Feel
High cholesterol often causes no symptoms. Learn why blood tests, overall cardiovascular risk and follow-up matter even when you feel well.
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Home Blood Pressure: How to Get a Reading That Is Actually Useful
Home blood pressure can be useful when technique is consistent. Learn about rest, cuff position, repeated readings and what not to do with one isolated number.
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Chest Pain or Pressure: When Not to Wait
Chest discomfort has many causes, but possible heart-attack symptoms need emergency assessment. Learn the warning pattern and why TCM should wait.
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Palpitations and an Irregular Heartbeat: What to Track
Palpitations can come from stress, caffeine or rhythm problems. Learn what details make a medical assessment more useful and which symptoms are urgent.
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Swollen Ankles or Legs: When It Is More Than “Water Retention”
Leg swelling can come from standing, veins, medicines or heart, kidney and liver problems. Learn what patterns should not be ignored.
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Fainting or Nearly Fainting: Why the Story Matters
Fainting can be benign or signal a heart, blood-pressure, bleeding or neurological problem. Learn what details to record and when it is urgent.
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