11 results
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Epiglottitis • Vocal cord ... atelectasis • Lung ... 12 / shallow breathing ... compliance (e.g., flail ... #Diagnosis #Management
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
Dyspnea - Differential ... Diagnosis Framework ... - Asthma - COPD ... - Obesity - Flail ... #diagnosis #causes
COPD Physical Exam Likelihood Ratios
Barrel Chest - LR 1.5
Pursed Lip Breathing - LR 2.7
Reduced breath sounds
Ratios Barrel Chest ... 1.5 Pursed Lip Breathing ... #PhysicalExam # ... LikelihoodRatios #LRs #diagnosis ... #pulmonary
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Causes of Pulmonary ... Diagnosis Algorithm ... Pulmonary Arterial ... Hypoxemia: • COPD ... Sleep-Disordered Breathing
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
of Hypoxemia- Differential ... Diagnosis Algorithm ... Disease (Asthma, COPD ... • Interstitial lung ... Abnormalities • Chest
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Wall Elasticity (flail ... chest) • Low ... , Interstitial Lung ... Hypoxia #hypoxemia #differential ... #diagnosis
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
disease, pleuritic chest ... In lung disease ... #Pulmonary #Abnormalities ... #Abnormal #Diagnosis ... #PhysicalExam
Chest Trauma Complications - Differential Diagnosis Algorithm
Cardiac:
 • Cardiac Tamponade*
 • Pericarditis
 • Myocardial Contusion
 •
- Differential ... Diagnosis Algorithm ... Fractures • Flail ... Esophageal Injury Lung ... : • Pulmonary
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... pneumonectomy if fail ... Abscess Differential ... #Abscess #pulmonary ... #differential #
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Loss of weight • Chest ... Physical stigmata of cor ... in the adjacent lung ... #differential # ... diagnosis