2830 results
Simplified Vasopressors and Inotropes Comparison Chart
MAP = CO x SVR
Dobutamine - Norepinephrine - Epinephrine - Phenylephrine
and Inotropes Comparison ... Chart MAP = CO ... Vasopressors #Inotropes #comparison
POCUS - Measuring Cardiac Output
1) Calculate LVOT Area
2) Calculate LVOT VTI
3) Calculate Cardiac Output

SV = (LVOT
POCUS - Measuring ... ) x (LVOT VTI) CO ... LVOT VTI) X HR CO ... x HR (bpm) - POCUS ... Cardiac #Output #CO
Vasopressors and Inotropes - Comparison Table
Activity: Alpha-1, Beta-1, Dopamine, SVR, HR, CO, BP
Phenylephrine
Vasopressin
Norepinephrine
Epinephrine
Dopamine
Dobutamine
Isoproterenol
Milrinone

- Dr. Eric Strong
and Inotropes - Comparison ... Dopamine, SVR, HR, CO ... Vasopressors #Inotropes #comparison
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 ... Diagnosis #table #comparison
Posterior chamber pathology comparison on Ocular POCUS:
- vitreous hemorrhage
- vitreous detachment
- retinal detachment

#Posterior #chamber #pathology #Ocular
chamber pathology comparison ... on Ocular POCUS ... pathology #Ocular #POCUS ... Detachment #Hemorrhage #Comparison
Shock Classification and Differential Diagnosis
SHOCK
 • MAP <65, SBP <90, drop in SBP > 40
 •
Distributive: • High CO ... Cardiogenic: • Low CO ... Obstructive: • Low CO ... Hypovolemic: • Low CO
Stroke Volume & Cardiac Output Measurement on POCUS
Accurately measure LVOT diameter:
1. Obtain PLAX 
2. Zoom to
Measurement on POCUS ... around PWD trace CO ... #Measurement #POCUS
Vasopressors and Inotropes - Pharmacology Summary
Vasopressors
Phenylephrine (alpha-1)
 • Increases BP, SVR
 • Risk of reflex bradycardia
Increases BP, SVR, CO ... Increases HR, SVR, CO ... contractility, CO ... • Increases CO
Carbon Monoxide Poisoning

Symptoms are non-specific:
 - Headache 90%
 - Nausea/vomiting 50%
 - Vertigo 50%
 - Altered
questions: - Co-ocupants ... - Alarm (for CO
Right Heart Catheterization Cheat Sheet: Interpretation of Pressures and Waveforms 
Direct measurements
 ● Central venous pressure
Cardiac output (CO ... pressure – CVP]/CO ... mean PAp – PCWP]/CO ... /min/m2) (CI = CO