Prophecy General ICU RN A V1 V2 V3

What is cardiac tamponade? Fluid in the pericardial sac causing decreasing preload. This decreases SV and ultimately CO. Effects of Hyper/Hypokalemia and calcemia on EKG Hypokalemia causes U waves Hyperkalemia causes peaked T waves Normal BP? 90-120/60-80 Normal HR? 60-100 bpm Normal CO? 4-8 L/min Normal SVR? 800-1,200 dynes/seconds Normal PVR? 37-250 dynes/sec/cm5 Normal SVo2? 60-80% Normal PAP? Systolic: 15-30 mm Hg Diastolic: 4-12 mm Hg

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