1793 results
POCUS - Measuring Cardiac Output
1) Calculate LVOT Area
2) Calculate LVOT VTI
3) Calculate Cardiac Output

SV = (LVOT
) x (LVOT VTI) CO ... LVOT VTI) X HR CO ... Cardiac #Output #CO ... #POCUS #Echocardiogram
Shock Classification and Differential Diagnosis
SHOCK
 • MAP <65, SBP <90, drop in SBP > 40
 •
Distributive: • High CO ... Cardiogenic: • Low CO ... Obstructive: • Low CO ... , CVP > 12 • Pulmonary ... Hypovolemic: • Low CO
Right Heart Catheterization Cheat Sheet: Interpretation of Pressures and Waveforms 
Direct measurements
 ● Central venous pressure
pressures (RA, RV) ● Pulmonary ... pressure (PAp) ● Pulmonary ... Cardiac output (CO ... pressure – CVP]/CO ... ) ● Pulmonary
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
Catheterization - Pulmonary ... and Calculations PULMONARY ... meanPAP-PCWP) / CO ... [(MAP - RAP) / CO ... (CPO) = (MAP x CO
Shock - Differential Diagnosis Framework
 - MAP <65. SBP <90, drop in SBP > 40
 -
Lactate > 1.5 High CO ... Cord Injury Low CO ... • Obstructive: Pulmonary
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
Framework MAP = CO ... third-spacing • ↓ CO ... arrhythmia • ↓ CO ... PE, PAH • ↓ CO ... drugs/toxins • ↑ CO
Pulmonary Embolism on POCUS Echocardiogram

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Pulmonary Embolism ... on POCUS Echocardiogram ... thread for POCUS Pulmonary ... RJonesSonoEM #Pulmonary ... Embolism #POCUS #Echocardiogram
Pulmonary Vein Stenosis on Echocardiogram - PLAX - Color Doppler
41 y/o w no PMHx

- Edinson Garcia.
Pulmonary Vein Stenosis ... on Echocardiogram ... PulmonaryVein #Stenosis #Echocardiogram
Chronic Obstructive Pulmonary Disease (COPD)
 • COPD Definition
 • Role of PFTs
 • COPD Classification and
Chronic Obstructive Pulmonary ... - Assess for co-morbidities ... #Obstructive #Pulmonary
Oxygen Delivery Equation
DO2 = CO x {(1.39 x Hb x sO2) + (PaO2 x 0.03)}
DO2 =
Equation DO2 = CO ... delivery in mL/min CO ... Cardiac output (CO ... pathophysiology #pulmonary