Tag
cardiology
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Which of these events doesn’t happen when semilunar valves open? The hidden truth about heart mechanics
The semilunar valves—the aortic and pulmonary—serve as gatekeepers between the ventricles and the arterial system. Their opening isn’t a passive event but a...
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Decoding the S4 Heart Sound: What It Means for Your Health
What makes the S4 heart sound particularly insidious is its subtlety. It’s easily missed in routine exams, especially in older adults or those with obesity...