9 results
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... Stable Angina • Acute ... Obstruction • Asthma ... • Metabolic Acidosis ... #SOB #Differential
Acute and Chronic Causes of Dyspnea - Differential Diagnosis
Pulmonary/Chest Wall:
 • Acute: Trauma, COPD exacerbation, Asthma
exacerbation, Asthma ... : Asthma, COPD, ... : Stroke, Neuromuscular ... : Metabolic acidosis ... #Chronic #Causes
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
• Airways: - Asthma ... HTN - Vasculitis ... Additional: - Acidosis ... Pain #dyspnea #sob ... #pulmonary
Causes of Dyspnea - Differential Diagnosis Algorithm
Cardiac:
 • Dysrhythmia
 • Ischemia
 • Cardiomyopathy
 • Valvular disease
Causes of Dyspnea ... Bronchitis • Chronic ... disease • Asthma ... hypertension • Vasculitis ... • Metabolic acidosis
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acute or chronic ... Compensation, Acute ... vs Chronic: • ... Classically” noted with pulmonary ... disease (COPD, OSA, Asthma
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
and renal abnormalities ... Eosinophilia, asthma ... , chronic rhinosinusitis ... tract, and often causes ... Palpable purpura: strong
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
Abnormalities in ... and metabolic acidosis ... asthma, chronic ... Breathing #Patterns #Pulmonary ... #Abnormalities
Noninvasive Positive Pressure Ventilation (NIPPV)

Expiratory & Inspiratory Positive Airway Pressure
Both increase intrathoracic pressure, which can decrease
exacerbation (cardiogenic pulmonary ... on chronic resp ... acidosis) • Post-extubation ... failure (ie.. asthma ... for increased WOB
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