13 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... - Differential Diagnosis ... Right to Left Shunt ... Hypoxemia #Hypoxia #Differential ... Diagnosis #Algorithm #Causes
Causes of Cyanosis in the Newborn - Differential Diagnosis Algorithm
Peripheral Only:
 • Poor Perfusion
 • Acrocyanosis
Hemoglobinopathy:
Causes of Cyanosis ... the Newborn - Differential ... Only: • Poor Perfusion ... Cyanosis #Newborn #Differential ... Diagnosis #Algorithm #Causes
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
lung disease Caused ... or anatomic shunt ... Arterial blood gas (ABC ... performed on room air ... older) on room air
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 ... Defect: Pulmonary ... Hypoxia #hypoxemia #differential
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
pleura in severe cases ... - Dynamic air ... submassive PE) POCUS ... #pulmonary #differential ... #signs #Lung #POCUS
Negative Contrast Effect in Right Atrium - Differential Diagnosis
1. Small secundum ASD or PFO with left
Negative Contrast Effect ... Right Atrium - Differential ... left to right shunt ... echocardiogram #s4c ... #pocus #bubble
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
Therefore, conditions caused ... substances primarily affect ... pulmonary apices caused ... -W237. 10.2214/AJR ... lung #diseases #differential
Focal Periphyseal Edema (FOPE lesion) - MSK Radiology
Imaging Findings:
 • Arrows identifying the characteristic edema-like signal
FOPE lesion) - MSK ... early physeal fusion ... may negatively affect ... (save $$) Differential ... Radiology #diagnosis #msk
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
Hearing Loss - Differential ... Test: • Normal: Air ... cause unknown) ... Noise trauma ○ MS ... Hearing #Loss #Differential
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Lactic Acidosis - Differential ... / hypoxemia -> focus ... on improving perfusion ... Neoplasia/Warburg effect ... Acidosis #Elevation #Differential