58 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... • Interstitial lung ... Left Shunt • Ventricular ... Abnormalities • Chest ... #Hypoxia #Differential
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Hypoxemia / Hypoxia ... pneumonia • Water: pulmonary ... atelectasis • Lung ... #Hypoxia #differential ... Algorithm #rapid #pulmonary
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
and Management Differential ... Bronchospasm, Pulmonary ... (JVP, edema), Lung ... POCUS (B-lines, lung ... STAT CXR, CTA Chest
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... neuromuscular disease, ↓ chest ... MatthewHoMD #Hypoxemia ... #Hypoxia #Differential ... Diagnosis #Algorithm #pulmonary
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Syncope - Differential ... Respiratory: • Pulmonary ... Embolism • Hypoxia ... Tachyarrhythmia: • VT/VFib ... Syncope #Cardiology #Differential
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Embolism, Obstructive Lung ... , Interstitial Lung ... #Hypoxia #hypoxemia ... #differential #
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... direction leads to hypoxemia ... (eg, atrial or ventricular ... Respiratory #Failure #hypoxia ... #Differential #
This is ATRIAL FIBRILLATION. Fibrillating right atria and rapid ventricular response.
Pulmonary vein isolation was performed and
atria and rapid ventricular ... Pulmonary vein isolation ... AtrialFibrillation #AFib ... #Clinical #Video
Causes of Cough and Hemoptysis
Acute Inflammation 
 - Laryngitis 
 - Tracheobronchitis 
 - Mycoplasma and
Bronchiectasis - Pulmonary ... Tuberculosis - Lung ... Cancer of the Lung ... Disorders - Left Ventricular ... Cough #Hemoptysis #Differential
Causes of Palpitations
 • ARRHYTHMiA 
 • SINUS ARRYTHMIA 
 • ATRIAL FIBRILLATION 
 • ATRIAL
• PREMATURE VENTRICULAR ... TACHYCARDIA • VENTRICULAR ... PHAEOCHROMOCYTOMA • PULMONARY ... DISEASE • HYPOXIA ... Palpitations #Causes #Differential