573 results
Pressors and Inotropes

Norepinephrine
 • alpha1 > beta 1
 • Increase SVR > Inotropy
Vasopressin
 • V1
 •
1 • Increase SVR ... V1 • Increase SVR ... 1 • Increase SVR ... Inotropy, Decrease SVR ... Pressors #Inotropes #criticalcare
Simplified Vasopressors and Inotropes Comparison Chart
MAP = CO x SVR
Dobutamine - Norepinephrine - Epinephrine - Phenylephrine
Chart MAP = CO x SVR ... comparison #table #criticalcare
Shock Classification and Differential Diagnosis
SHOCK
 • MAP <65, SBP <90, drop in SBP > 40
 •
High CO / Low SVR ... Low CO / High SVR ... Low CO / High SVR ... Low CO / High SVR ... Diagnosis #Types #criticalcare
Causes of Primary and Functional Mitral Regurgitation (MR) 
Causes of primary mitral regurgitation
 - Rheumatic heart
Regurgitation (MR ... and distorted MV ... Destruction of MV ... Thickened MV. ... Thickened MV.
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
Beta-1, Dopamine, SVR ... #pharmacology #criticalcare
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
Framework MAP = CO x SVR ... arrhythmia • ↓ CO, ↑ SVR ... PAH • ↓ CO, ↑ SVR ... toxins • ↑ CO, ↓ SVR ... table #comparison #criticalcare
Shock - Differential Diagnosis Framework
 - MAP <65. SBP <90, drop in SBP > 40
 -
High CO / Low SVR ... Low CO / High SVR ... Differential #Diagnosis #criticalcare
Cardiac Murmurs and Maneuvers

An algorithm demonstrating the effect of various maneuvers on systolic murmurs. 
TR, tricuspid
pulmonary stenosis; MVP ... /MR, mitral valve ... cardiomyopathy; MR
Ruptured Chordae Tendineae on POCUS Echocardiogram
 
Many underlying causes, not limited to: MVP, subacute endocarditis, connective
not limited to: MVP ... Assess for MR when
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... elevation > 1.5 mm in aVR ... PR elevation in aVR ... PR elevation in aVR ... - R/S ratio in aVR