Heart Health Archive

Momentary dizziness after a walk or rising from kneeling can signal blood pressure shifts, medications, heart disease, or low blood sugar. It merits a checkup.

Taking antiplatelet drugs can make any “blood thinner” advice confusing. Which blood-thinning medications vitamin K affects matters here.

A number of physiological changes driven by the body’s internal clock help explain why heart attacks are more common in the morning. These changes include factors involved in blood pressure, blood clot formation, and inflammation.

For many people, non-HDL cholesterol (which is total cholesterol minus HDL cholesterol) may be as good as (or even more reliable than) LDL for assessing a person's risk of heart problems.

Statin dosages fall into three categories (low, moderate, or high) based on how much the medication can lower LDL. The choice of a statin depends on a person's risk.

An “enlarged” heart on an X‑ray doesn’t always mean trouble. Further heart imaging can help reveal what’s really going on.

An enlarged heart has many possible causes, including conditions that force the heart to work harder than usual (such as chronic high blood pressure or heart valve problems) and different types of cardiomyopathy (heart muscle disease).

A low resting pulse can signal peak fitness, hidden heart trouble, or even thyroid issues; learn when a slow beat is harmless and when it's not.

Warm weather, vein valve issues, and fluid retention can all puff up your ankles. Learn what doctors look for and simple steps that may ease it.

A slower pulse can be healthy or a warning sign, depending on symptoms, medications, and your thyroid status. Simple checks can help reveal which it is.