31 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... - Differential Diagnosis ... • Interstitial lung ... Hypoventilation Syndrome ... #Hypoxia #Differential
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
and Management Differential ... Embolism, Pneumothorax ... Exam, POCUS (B-lines ... , lung sliding) ... CXR, CTA Chest, Echocardiogram
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... direction leads to hypoxemia ... embolus SHUNT ... hepatopulmonary syndrome ... #Differential #
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation Syndrome ... Embolism, Obstructive ... , Interstitial Lung ... #Hypoxia #hypoxemia ... #differential #
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
pleura in severe cases ... Respiratory Distress Syndrome ... Embolism (PE): ... #differential # ... #POCUS #ultrasound
Causes of Dyspnea - Differential Diagnosis Algorithm
Cardiac:
 • Dysrhythmia
 • Ischemia
 • Cardiomyopathy
 • Valvular disease
Causes of Dyspnea ... - Differential ... Superior vena cava syndrome ... • Interstitial lung ... embolismPulmonary
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
Right-Sided Heart Failure - Differential Diagnosis Algorithm
Cardiac Causes - Rule out Left-Sided Heart Failure (Most Common):
Heart Failure - Differential ... • Diffuse Lung ... Respiratory Distress Syndrome ... • Chronic Lung ... Embolism
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Syncope - Differential ... Respiratory: • Pulmonary ... EmbolismHypoxia ... • Sick Sinus Syndrome ... Diagnosis #Algorithm #causes
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Causes of Peripheral ... Weakness • Cardio-pulmonary ... muscular atrophy • Hodgkin's ... Lambert-Eaton Myasthenic Syndrome ... Dystrophy • Statin