83 results
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
- Tamponade Pulmonary ... - Asthma - COPD ... : • Chest Wall ... Obesity - Flail chest ... diagnosis #causes #pulmonary
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic Dyspnea ... • Asthma • COPD ... Thickening/Masses Chest ... Pneumonia • ARDS • COPD ... Acidosis #Chronic #Dyspnea
Acute and Chronic Causes of Dyspnea - Differential Diagnosis
Pulmonary/Chest Wall:
 • Acute: Trauma, COPD exacerbation, Asthma
Chronic Causes of Dyspnea ... Differential Diagnosis Pulmonary ... /Chest Wall: • ... Pleural effusion, Pulmonary ... BostonChiefs #Dyspnea
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
Symptoms: Cough, Dyspnea ... , Wheeze, Chest ... Symptoms: Cough, Dyspnea ... Cyanosis, Barrel chest ... comparison #Diagnosis #pulmonary
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 ... Hyperresonance of chest ... #PhysicalExam # ... LRs #diagnosis #pulmonary
Pulmonary Function Tests (PFTs) - Interpretation Algorithm
 • Normal
 • Pulmonary Hypertension, Anemia, Carboxyhemoglobinemia
 • Chest
Pulmonary Function ... Carboxyhemoglobinemia • Chest ... Non-Emphysematous COPD ... Emphysematous COPD ... #Pulmonary #
Patterns of disease in advanced COPD

Type A: 
Pink Puffer (Emphysema Predominant) 
Major complaint is dyspnea, often
Major complaint is dyspnea ... Chest is very quiet ... Dyspnea usually ... Chest is noisy, ... #BlueBloater #Pulmonary
Pulmonary Hypertension Groups - WHO Classification
Group I - Vascular remodeling of pulmonary arteries
 • Idiopathic, HIV,
hypoxemia • COPD ... activity worsens dyspnea ... , fatigue, or chest ... markedly limited by dyspnea ... , fatigue, chest
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Epiglottitis • Vocal cord ... pneumonia • Water: pulmonary ... MG, ALS) • ↓ chest ... compliance (e.g., flail chest ... Algorithm #rapid #pulmonary
An Approach to Acute Dyspnea - Diagnostic Framework

From the HPI, PMH, vitals, focused physical exam (e.g.
Approach to Acute Dyspnea ... (e.g. cardiac, pulmonary ... exams), and the chest ... Strong Medicine #Dyspnea