20 results
COPD Physical Exam Likelihood Ratios
Barrel Chest - LR 1.5
Pursed Lip Breathing - LR 2.7
Reduced breath sounds
COPD Physical Exam ... Ratios Barrel Chest ... 1.5 Pursed Lip Breathing ... Hyperresonance of chest ... SatyaPatelMD #COPD
Monoarthritis - Differential Diagnosis
Infection (Acute):
 - S. aureus (most common)
 - S. pneumonia
 - Salmonella (in
Monoarthritis - Differential ... birefringent - CPPD ... Sarcoid - Erosive OA ... Monoarthritis #Differential
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
pneumothorax, COPD ... 12 / shallow breathing ... MG, ALS) • ↓ chest ... compliance (e.g., flail chest ... Hypoxemia #Hypoxia #differential
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
Asthma vs COPD Presentation ... Dyspnea, Wheeze, Chest ... between attacks COPD ... Cyanosis, Barrel chest ... , Pursed lip breathing
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
and Rhythm of Breathing ... Rapid Shallow Breathing ... disease, pleuritic chest ... Slow Breathing ( ... bronchitis, and COPD
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
Dyspnea - Differential ... - Asthma - COPD ... of Dyspnea: • Chest ... Obesity - Flail chest ... #dyspnea #sob #differential
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Hypertension - Differential ... Hypoxemia: • COPD ... Sleep-Disordered Breathing ... PulmonaryHypertension #PHTN #Differential
Tachypnea - Differential Diagnosis Framework

Definitions
 • Tachypnea: Respiratory rate > 20/min, shallow breathing in adults
 •
Tachypnea - Differential ... 20/min, shallow breathing ... > 20/min, deep breathing ... • Asthma • COPD ... Tachypnea #Hyperpnea #Differential
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
of Hypoxemia- Differential ... Disease (Asthma, COPD ... Abnormalities • Chest ... Hypoxemia #Hypoxia #Differential
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Chronic Dyspnea - Differential ... • Asthma • COPD ... Thickening/Masses Chest ... Pneumonia • ARDS • COPD ... #Dyspnea #SOB #Differential