MEDICAL BIOLOGY, HUMAN ANATOMY, PHYSIOLOGY AND PATHOLOGY - Y.I. Fedoniuk 2010

ANATOMY, PHYSIOLOGY, PATHOLOGY

SECTION 5. BLOOD AND LYMPH CIRCULATION PROCESSES AND THEIR PATHOLOGY

HEART FUNCTION

3. APEX BEAT

When placing a hand on the left fifth intercostal space, 1 cm medial to the left midclavicular line, a distinct pulsation can be felt during cardiac contraction. This heartbeat is caused by The change in the organ's position during systole. As The Heart contracts, its apex rises and presses against the anterior chest wall, which is perceived as an apex beat.

Last update: 08/08/2026

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