21 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Wall Elasticity (flail ... chest) • Low ... , Interstitial Lung ... Hypoxia #hypoxemia #differential
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
Dyspnea - Differential ... Parenchyma: ILD • Alveoli ... Hepatopulmonary syndrome ... of Dyspnea: • Chest ... - Obesity - Flail
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Blood: diffuse alveolar ... atelectasis • Lung ... MG, ALS) • ↓ chest ... compliance (e.g., flail ... Hypoxemia #Hypoxia #differential
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
: Diffuse alveolar ... symptomatology Differential ... high resolution chest ... , biopsy By Tess ... #differential #
Effect of Lung Recruitment and Titrated Positive End-Expiratory Pressure (PEEP) vs Low PEEP on Mortality in
Patients With Acute ... Respiratory Distress ... Syndrome JAMA ... Wilkinsonjonny #ART #Alveolar ... Postoperative #Pulmonary
Chest Trauma Complications - Differential Diagnosis Algorithm
Cardiac:
 • Cardiac Tamponade*
 • Pericarditis
 • Myocardial Contusion
 •
- Differential ... Contusion • Acute ... Fractures • Flail ... Esophageal Injury Lung ... : • Pulmonary
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
pneumonia (DIP), Acute ... Churg Strauss syndrome ... Eosinophilic pneumonia: Acute ... ILD #diagnosis #differential ... #pulmonary #causes
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Chronic Dyspnea - Differential ... Stable Angina • Acute ... Coronary Syndrome ... Thickening/Masses Chest ... Alveoli • Pneumonia
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Distress Syndrome ... ARDS: Clinical Cheat ... leading to increased pulmonary ... consistent with pulmonary ... RespiratoryDistress #Syndrome
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Pulmonary Pathology ... the severity Acute ... Respiratory Distress ... Syndrome (ARDS) ... #differential #