46 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
of Hypoxemia- Differential ... Diagnosis Algorithm ... Ventilation/perfusion ... Hypoxemia #Hypoxia #Differential ... #Diagnosis #Algorithm
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Diagnosis Algorithm ... Right-to-Left Shunt ... Hypoxemia #Hypoxia #Differential ... #Diagnosis #Algorithm
Pericardial Clot on Echocardiogram

ST elevation of acute pericarditis was misdiagnosed as STEMI and thrombolysed with SK
thrombolysed with SK ... hemorrhagic pericardial effusion ... #Pericardial #effusion ... Echocardiogram #POCUS ... clinical #cardiology #a4c
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... Diagnosis Framework ... VIQ mismatch and shunt ... Failure #hypoxia #Differential ... #Diagnosis #pulmonary
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... Diagnosis Framework ... Knee Effusion ... #causes #differential ... #diagnosis #msk
Causes of Cyanosis in the Newborn - Differential Diagnosis Algorithm
Peripheral Only:
 • Poor Perfusion
 • Acrocyanosis
Hemoglobinopathy:
the Newborn - Differential ... Diagnosis Algorithm ... Only: • Poor Perfusion ... Cyanosis #Newborn #Differential ... #Diagnosis #Algorithm
Chronic Shoulder Pain - Differential Diagnosis Algorithm
4 tests for the AC joint:
1. Direct palpation
2. Cross-arm shoulder
Shoulder Pain - Differential ... Diagnosis Algorithm ... tests for the AC ... #Diagnosis #Algorithm ... #MSK
Dizziness - Central and Peripheral Causes - Differential Diagnosis
Central Causes:
 • Cerebrovascular:  vertebrobasilar, TIA, Wallenburg,
Peripheral Causes - Differential ... Diagnosis Central ... oticus (Ramsay Hunt ... Amy Chung, MD, MSc ... #Diagnosis #algorithm
Causes of Dyspnea - Differential Diagnosis Algorithm
Cardiac:
 • Dysrhythmia
 • Ischemia
 • Cardiomyopathy
 • Valvular disease
Causes of Dyspnea - Differential ... Diagnosis Algorithm ... cava syndrome • Shunt ... Pleura: • Pleural effusion ... #Diagnosis #Algorithm
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
(assumes Room Air ... Right to Left Shunt ... Disease and more • Diffusion ... Hypoxia #hypoxemia #differential ... #diagnosis