3659 results
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
Polycythemia - Acquired Causes ... Hypoxia-driven: Cardiac/pulmonary ... disease, Smoking/CO
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 ... cardiac output causes ... • PULMONARY A
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
Vasopressors and Inotropes - Pharmacology Summary
Vasopressors
Phenylephrine (alpha-1)
 • Increases BP, SVR
 • Risk of reflex bradycardia
Increases BP, SVR, CO ... Increases HR, SVR, CO ... • Higher doses cause ... contractility, CO ... cAMP/cGMP • Causes
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 ... findings based on cause
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Legionella: • Nausea ... Rhabdomyolysis (rare) Co-MRSA ... factor • May cause ... reported in 100% of cases ... Infections #HIV #AIDS #pulmonary
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
Causes of Pulmonary Fibrosis

#Pulmonary #Fibrosis #Causes #Differential #Diagnosis
Causes of Pulmonary ... Fibrosis #Pulmonary ... #Fibrosis #Causes
Causes of Acute and Chronic Pelvic Pain - Differential Diagnosis Algorithm
Acute Pelvic Pain:
 • Non-Gynecologic
 •
Causes of Acute ... Pelvic Pain: • Co-morbidities ... Diagnosis #Algorithm #Causes
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