6 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
(assumes Room Air ... Right to Left Shunt ... AVMs, Hepatopulmonary ... Disease and more • Diffusion ... Hypoxia #hypoxemia #differential
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... VIQ mismatch and shunt ... embolus SHUNT ... AVMs, hepatopulmonary ... Failure #hypoxia #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
Acute and Chronic Causes of Dyspnea - Differential Diagnosis
Pulmonary/Chest Wall:
 • Acute: Trauma, COPD exacerbation, Asthma
Causes of Dyspnea - Differential ... Diagnosis Pulmonary ... flare, Pleural effusion ... Tumor, Pleural effusion ... , Intracardiac shunt
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
Hepatopulmonary ... 1) or anatomic shunt ... Arterial blood gas (ABC ... cirrhosis • Intra-pulmonary ... scanning or pulmonary
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
ventilation to perfusion ... aspergillosis - Chronic ... granulomatosis • Abnormal perfusion ... -W237. 10.2214/AJR ... lung #diseases #differential