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cardiology diagnosis cardiac co criticalcare management measurement output pocus afterload aortic balloon bpap cardiacoutput chf chronotropy cpap critcalcare curve dromotropy
POCUS - Measuring Cardiac Output 1) Calculate LVOT Area 2) Calculate LVOT VTI 3) Calculate Cardiac Output SV = (LVOT
Cardiac Output SV ... CO (mL/min) = SV
Frank-Starling Curve in Congestive Heart Failure Goal in HF mgmt is to reduce preload (EDV) to reach
to reach higher SV
Stroke Volume & Cardiac Output Measurement on POCUS Accurately measure LVOT diameter: 1. Obtain PLAX 2. Zoom to
LVOT Diam/2) 2 SV
Intra-Aortic Balloon Pump (IABP) Intra-aortic balloon counter-pulsation is a method of invasive hemodynamic support. A catheter is
stroke volume (SV
Pulse Oximetry Summary Pulse oximetry is the non-invasive continuous measurement of the oxygen saturation of hemoglobin. It
increase with greater SV
Mean Arterial Pressure (MAP) Average arterial pressure throughout one cardiac cycle, systole, and diastole. Surrogate indicator of
Stroke Volume (SV ... cardiacoutput #Co #SV
Noninvasive Positive Pressure Ventilation (NIPPV) Expiratory & Inspiratory Positive Airway Pressure Both increase intrathoracic pressure, which can decrease
potentially improving SV
Perform computations online at: ScyMed.com 6th ED ICU-card «ICU, Formulas & Drugs» HEMODYNAMIC PATTERNS Condition SAP CVP PAP PCWP CO C(a-v)02 PVR SVR Hypovolemic shock ↓ ↓ ↓ ↓ ↓ ↑ ↑ ↑ Cardiogenic shock ↓ 1 ↑ 1 1 ↑ Septic shock ↓ ↓ ↓ ↓ ↑ ↓ ↓ ↓ Cardiac Tamponade . ↑ ↑ 1 ↓ → ↑ RV
L/min/m2 HR*SV ... 60-90 bpm CO/SV ... Heart Rate SV
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