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STAT Stitch Deep Dive Podcast Beyond The Bedside by Regular Guy
Episode notes
- Hemodynamic Pathophysiology: Blood pressure (BP) is determined by cardiac output (CO) multiplied by systemic vascular resistance (SVR). Hypertension occurs when regulatory mechanisms (sympathetic nervous, vascular endothelium, renal, and endocrine) fail. The hallmark is persistently increased SVR, leading to vessel remodeling, atherosclerosis, and ischemia.
- Diagnostic Classification: Based on two or more accurate readings on separate occasions, BP is categorized as:
- Normal: <120 SBP and <80 DBP mmHg
- Elevated: 120–129 SBP and <80 DBP mmHg
- Stage 1: 130–139 SBP or 80–89 DBP mmHg
- Stage 2: >=140 SBP or >=90 DBP mmHg
- Target Organ Damage: Often ...
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