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Renin Angiotensin Aldosterone System (RAAS) Physiology Video
ACLS Certification Association videos have been peer-reviewed for medical accuracy by the ACA medical review board.
Video at a Glance
- This video discusses the physiology of the renin-angiotensin-aldosterone system (RAAS).
- The macula densa communicates with the juxtaglomerular cells — the smooth muscle cells surrounding the afferent arteriole.
- Juxtaglomerular cell stimulation causes renin secretion.
- Renin causes vasoconstriction and increases blood pressure to restore the kidney’s perfusion pressure.
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