12 results
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Hypoxemic Respiratory Failure ... - Differential ... embolus SHUNT ... shunting (eg, pulmonary ... #hypoxia #Differential
Causes of Pleural Effusion - Differential Diagnosis Algorithm
Transudate - Hydrostatic
 • Congestive heart failure
 • Constrictive
Causes of Pleural ... Effusion - Differential ... Congestive heart failure ... Pneumonectomy • Trapped lung ... embolism • Collagen
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
pleura in severe cases ... Embolism (PE): ... submassive PE) POCUS ... #differential # ... #POCUS #ultrasound
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
PiO2: Extreme Elevation ... Embolism, Obstructive ... , Interstitial Lung ... UnremarkableLab #AA ... Hypoxia #hypoxemia #differential
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Elevation - Differential ... QRS complex Pulmonary ... Embolism: • T-wave ... #differential #
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Acidosis - Differential ... hypoxemia/Sepsis etc ... / hypoxemia -> focus ... output - Acute pulmonary ... #Differential #
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
verrucous) • Lung ... New-onset Heart Failure ... Cerebral > Splenic, pulmonary ... Marantic (NTBE) Differential ... ↑ ESR, CRP • EKG
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
/Chronic renal failure ... - Rapid saline infusion ... Classically” noted with pulmonary ... embolism (with ... or restrictive lung
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
(DAH) & renal failure ... LVEF, pericardial effusion ... recent DAN) • EMG ... Goodpasture's cause ... sparing of the lung
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
- Overview and Differential ... , verrucous) - Lung ... New-onset heart failure ... Cerebral > Splenic, Pulmonary ... cause injury by