23 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
of Hypoxemia- Differential ... • Pulmonary Arterial ... Right to Left Shunt ... Right to Left Shunt ... Hypoxemia #Hypoxia #Differential
Causes of Cyanosis in the Newborn - Differential Diagnosis Algorithm
Peripheral Only:
 • Poor Perfusion
 • Acrocyanosis
Hemoglobinopathy:
the Newborn - Differential ... Only: • Poor Perfusion ... Left-to-Right Shunt ... Transposition of the Great Arteries ... Cyanosis #Newborn #Differential
Chronic Shoulder Pain - Differential Diagnosis Algorithm
4 tests for the AC joint:
1. Direct palpation
2. Cross-arm shoulder
Chronic Shoulder ... Pain - Differential ... tests for the AC ... Shoulder #Pain #Differential ... Diagnosis #Algorithm #MSK
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... Dyspnea - Differential ... Pericardial • Effusion ... Arrhythmia • Atrial ... #Dyspnea #SOB #Differential
Acute and Chronic Causes of Dyspnea - Differential Diagnosis
Pulmonary/Chest Wall:
 • Acute: Trauma, COPD exacerbation, Asthma
Causes of Dyspnea - Differential ... flare, Pleural effusion ... Tumor, Pleural effusion ... , Intracardiac shunt ... #Causes #Differential
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
Summary A defect in arterial ... 1) or anatomic shunt ... passage • Arterial ... blood gas (ABC) ... older) on room air
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... VIQ mismatch and shunt ... pulmonary embolus SHUNT ... shunting (eg, atrial ... Failure #hypoxia #Differential
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 ... Gradient #alveolar #arterial ... Hypoxia #hypoxemia #differential
Cough - Diagnostic Schema

Infectious: URTI, LRTI, Bacterial, Viral
Irritant/Exposure: Allergic, Post-infectious, Pneumonitis, ACEi, PTX, Foreign Body
Airway Disease:
Infectious: URTI, LRTI, Bacterial ... Dz, Malignant effusion ... Schema #Acute #Chronic ... #Differential #
Causes of Dyspnea - Differential Diagnosis Algorithm
Cardiac:
 • Dysrhythmia
 • Ischemia
 • Cardiomyopathy
 • Valvular disease
Causes of Dyspnea - Differential ... cava syndrome • Shunt ... Bronchitis • Chronic ... Pleura: • Pleural effusion ... 2LmUODZ #Dyspnea #Differential