11 results
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... Diagnosis Algorithm ... Stable Angina • Acute ... Obstruction • Asthma ... #Dyspnea #SOB #
Causes of Acute Dyspnea - Differential Diagnosis Algorithm
Cardiovascular
 • Myocardial Infarction*
 • Cardiac Tamponade*
 • CHF
Pleural
Causes of Acute ... Vascular • Pulmonary ... Airway (Wheeze) • Asthma ... #Dyspnea #SOB # ... #Causes
Pediatric Dyspnea - Differential Diagnosis Algorithm
Stridor:
 • Croup
 • Foreign Body
 • Tracheitis
 • Epiglottitis
 •
Laryngospasm Wheeze: • Asthma ... Pneumonia • Asthma ... Ketoacidosis • Pulmonary ... #SOB #ShortnessOfBreath ... #Causes #Peds #
Acute and Chronic Causes of Dyspnea - Differential Diagnosis
Pulmonary/Chest Wall:
 • Acute: Trauma, COPD exacerbation, Asthma
Acute and Chronic ... Causes of Dyspnea ... exacerbation, Asthma ... : Asthma, COPD, ... : Stroke, Neuromuscular
Causes of Dyspnea - Differential Diagnosis Algorithm
Cardiac:
 • Dysrhythmia
 • Ischemia
 • Cardiomyopathy
 • Valvular disease
Causes of Dyspnea ... Differential Diagnosis Algorithm ... Bronchitis • Chronic ... disease • Asthma ... #Causes
Pulse Abnormalities - Differential Diagnosis Algorithm
Unequal/DeIayed:
 • Obstructive arterial disease (ie. Atherosclerosis)
 • Aortic dissection
 •
Pulse Abnormalities ... Differential Diagnosis Algorithm ... tamponade • AECOPD/ Acute ... Exacerbation of Asthma ... #causes
Eosinophilic Pneumonia
When to suspect Eosinophilic Pneumonia? Non-resolving pneumonia + BAL > 25% eosinophils + excluded more
common diagnoses Acute ... Fever+, Cough+, Dyspnea ... mechanical ventilation Chronic ... tobacco hx, >60% asthma ... - Progressive SOB
Noninvasive Positive Pressure Ventilation (NIPPV)

Expiratory & Inspiratory Positive Airway Pressure
Both increase intrathoracic pressure, which can decrease
exacerbation (cardiogenic pulmonary ... on chronic resp ... failure (ie.. asthma ... for increased WOB ... , dyspnea NIPPV
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
Abnormalities in ... of dyspnea and ... asthma, chronic ... Breathing #Patterns #Pulmonary ... #Abnormalities
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
and renal abnormalities ... Palpable purpura: Strong ... Eosinophilia, asthma ... , chronic rhinosinusitis ... tract, and often causes