19 results
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... : Interstitial lung ... embolus SHUNT ... shunting (eg, pulmonary ... Failure #hypoxia #Differential
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
Causes of Dyspnea - Differential Diagnosis Algorithm
Cardiac:
 • Dysrhythmia
 • Ischemia
 • Cardiomyopathy
 • Valvular disease
Causes of Dyspnea ... - Differential ... • Interstitial lung ... embolismPulmonary ... Pleura: • Pleural effusion
Causes of Pleural Effusion - Differential Diagnosis Algorithm
Transudate - Hydrostatic
 • Congestive heart failure
 • Constrictive
Causes of Pleural ... Effusion - Differential ... Pneumonectomy • Trapped lung ... Malignancy • Pulmonary ... embolism • Collagen
Lung Nodule - Differential Diagnosis Algorithm
Nodule on > 2 Years Without a Change in Size:
 •
Lung Nodule - Differential ... Tuberculosis • Septic Embolism ... #Nodule #Differential ... Diagnosis #Algorithm #Causes ... #Pulmonary
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
PiO2: Extreme Elevation ... Embolism, Obstructive ... Lung Disease, Interstitial ... , Interstitial Lung ... Hypoxia #hypoxemia #differential
Hemorrhagic Pericardial Effusions (Hemopericardium)- Differential Diagnosis Framework

IATROGENIC DISEASE
Secondary to invasive cardiac procedures

NONIATROGENIC
• Malignancy (e.g., metastatic spread:
Hemopericardium)- Differential ... • Malignancy (e.g ... metastatic spread: lung ... patients with pulmonary ... OTHER RARE CAUSES
Pulmonary Embolism on ECG 

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Pulmonary Embolism ... Differential/diagnosis ... See thread for POCUS ... Pulmonary embolism ... #Embolism #ECG
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 ... diagnosis #cardiology #ecg
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Edema - Differential ... Causes include: ... level <100 pg/ml EKG ... embolism • Re-expansion ... Transfusion-related acute lung