17 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... • Interstitial lung ... Abnormalities • Chest ... #Diagnosis #Algorithm ... #Causes #Pulmonary
Main causes of diffuse parenchymal lung diseases.

#differential #algorithm #diagnosis #causes #DPLD #ILD #parenchymal #lung #diseases #pulmonary
parenchymal lung ... #differential #algorithm ... #diagnosis #causes ... #DPLD #ILD #parenchymal ... #pulmonary #respiratory
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... pneumonia (COP), Respiratory ... Churg Strauss syndrome ... #diagnosis #differential ... #pulmonary #causes
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
- Differential Diagnosis ... direction leads to hypoxemia ... hepatopulmonary syndrome ... #Failure #hypoxia ... #Differential #Diagnosis
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS of Respiratory ... Weakness, Loss of Chest ... , Interstitial Lung ... #Hypoxia #hypoxemia ... #differential #diagnosis
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... Acute Coronary Syndrome ... Chest Wall Abnormalities ... Interstitium • ILD ... #Algorithm #Causes
Right-Sided Heart Failure - Differential Diagnosis Algorithm
Cardiac Causes - Rule out Left-Sided Heart Failure (Most Common):
- Differential Diagnosis ... Algorithm Cardiac ... • Acute Respiratory ... Distress Syndrome ... #Algorithm #causes
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Acute Respiratory ... Distress Syndrome ... ARDS: Clinical Cheat ... congestion with hypoxemia ... Summary #CheatSheet #Diagnosis
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
- Differential Diagnosis ... , defecation) Respiratory ... : • Pulmonary ... Embolism • Hypoxia ... #Algorithm #causes
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Distress Syndrome ... be present on a chest ... lobar collapse, lung ... severity of the hypoxemia ... Definition #Criteria #Diagnosis