92 results
Shock Classification and Differential Diagnosis
SHOCK
 • MAP <65, SBP <90, drop in SBP > 40
 •
Distributive: • High CO ... Cardiogenic: • Low CO ... / High SVR, JVP ... Obstructive: • Low CO ... / High SVR, JVP
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
PCWP • Exam: ↓ JVP ... PCWP • Exam: ↑ JVP ... PCWP • Exam: ↑ JVP ... PCWP • Exam: ↓ JVP ... Differential #Diagnosis #table
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
Inotropes - Comparison Table ... Dopamine, SVR, HR, CO ... Inotropes #comparison #table
Right Heart Catheterization Cheat Sheet: Interpretation of Pressures and Waveforms 
Direct measurements
 ● Central venous pressure
venous pressure (CVP ... Cardiac output (CO ... ]/CO) ● Pulmonary ... mean PAp – PCWP]/CO ... /min/m2) (CI = CO
Simplified Vasopressors and Inotropes Comparison Chart
MAP = CO x SVR
Dobutamine - Norepinephrine - Epinephrine - Phenylephrine
Comparison Chart MAP = CO ... Inotropes #comparison #table
Shock Classification Types - Comparison Table
JVP, IVC on Ultrasound, Passive Leg Raise, Temperature of extremities, LV
Types - Comparison Table ... JVP, IVC on Ultrasound ... Types #Comparison #Table
Mean Arterial Pressure (MAP)

Average arterial pressure throughout one cardiac cycle, systole, and diastole. 
Surrogate indicator of
Cardiac Output (CO ... Venous Pressure (CVP ... ) MAP = (CO × SVR ... ) + CVP Because ... CVP is usually
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
Bedside Ultrasound as a Substitute for CVP - IVC Diameter and Collapse

- Dr. Eric Strong @DrEricStrong
Substitute for CVP ... #Ultrasound #POCUS ... #IVC #CVP #diagnosis