55 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... • Interstitial lung ... Malformation • Severe Pneumonia ... Abnormalities • Chest ... #Causes #Pulmonary
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
- Differential Diagnosis ... Focal Alveolar: Pneumonia ... Hemorrhage • Impaired Diffusion ... : ILD, pHTN, Advanced ... #Diagnosis #causes
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... - Differential Diagnosis ... Chest Wall Abnormalities ... Alveoli • Pneumonia ... Interstitium • ILD
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
• Pleuritic chest ... Lymphadenopathy, Chest ... breath, Fatigue, Chest ... : • Chest pain ... , pleural effusion
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
- Differential Diagnosis ... direction leads to hypoxemia ... • Causes: Pneumonia ... Respiratory #Failure #hypoxia ... #Differential #Diagnosis
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
hemorrhage • Pus: pneumonia ... atelectasis • Lung ... MG, ALS) • ↓ chest ... compliance (e.g., flail chest ... #Diagnosis #Management
Chest Pain - Differential Diagnosis Framework

Cardiovascular Causes of Chest Pain:
 • Myocardium:
	- Myocarditis
	- CAD/ACS
	- Valvulopathy
	- Myopericarditis
of Chest Pain: ... - Tamponade Pulmonary ... Causes of Chest ... Alveoli: - CHF - Pneumonia ... • Pleura: - Effusion
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
Etiologies of pulmonary ... Aspergillosis PLEURAL EFFUSION ... #Lung #Infections ... #Differential #Diagnosis ... #Chest
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
• Parenchyma: ILD ... • Pleura: - Effusion ... of Dyspnea: • Chest ... Obesity - Flail chest ... #causes #pulmonary
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Elasticity (flail chest ... Atelectasis, ARDS, Pneumonia ... #Hypoxia #hypoxemia ... #differential #diagnosis