6317 results
Shock Classification and Differential Diagnosis
SHOCK
 • MAP <65, SBP <90, drop in SBP > 40
 •
and Differential Diagnosis ... Distributive: • High CO ... Cardiogenic: • Low CO ... , CVP > 12 • Pulmonary ... #Differential #Diagnosis
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 ... ) ● Pulmonary ... Interpretation #Diagnosis
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 ... artery #catheter #diagnosis
Shock - Differential Diagnosis Framework
 - MAP <65. SBP <90, drop in SBP > 40
 -
- Differential Diagnosis ... Lactate > 1.5 High CO ... Cord Injury Low CO ... • Obstructive: Pulmonary ... #Differential #Diagnosis
Chronic Obstructive Pulmonary Disease (COPD)
 • COPD Definition
 • Role of PFTs
 • COPD Classification and
Chronic Obstructive Pulmonary ... - Assess for co-morbidities ... #Obstructive #Pulmonary ... Disease #COPD #diagnosis
Approach to Undifferentiated Shock - OnePager Summary
Shock occurs when there is inadequate blood flow (CO) &
inadequate blood flow (CO ... Pump Problem (↓ CO ... Cardiac Tamponade, Pulmonary ... may develop low CO ... Undifferentiated #Shock #diagnosis
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
Polycythemia Differential Diagnosis ... Hypoxia-driven: Cardiac/pulmonary ... disease, Smoking/CO ... #Differential #Diagnosis
Fluid Responsiveness and Fluid Tolerance Testing - OnePager Summary
Fluid resuscitation can be beneficial when required or
cardiac output (CO ... needed" only the CO ... Pulmonary Artery ... • PULMONARY A ... Tolerance #testing #diagnosis
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
- Differential Diagnosis ... Framework MAP = CO ... third-spacing • ↓ CO ... arrhythmia • ↓ CO ... #Differential #Diagnosis
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 ... Measurement #cardiology #diagnosis