11 results
Acute and Chronic Causes of Dyspnea - Differential Diagnosis
Pulmonary/Chest Wall:
 • Acute: Trauma, COPD exacerbation, Asthma
Causes of Dyspnea ... Acute: Trauma, COPD ... exacerbation, Asthma ... : Asthma, COPD, ... Neuromuscular • Acute: Stroke
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
Causes of Dyspnea ... • Airways: - Asthma ... - COPD - Bronchiectasis ... HTN - Vasculitis ... #pulmonary
Causes of Dyspnea - Differential Diagnosis Algorithm
Cardiac:
 • Dysrhythmia
 • Ischemia
 • Cardiomyopathy
 • Valvular disease
Causes of Dyspnea ... Bronchitis • Chronic ... disease • Asthma ... • Interstitial lung ... hypertension • Vasculitis
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... Dyspnea - Differential ... Obstruction • Asthma ... • COPD • Bronchiectasis ... #Dyspnea #SOB #
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... organizing pneumonia (COP ... Sarcoidosis • Vasculitis ... pneumonia: Acute, Chronic ... #causes
Noninvasive Positive Pressure Ventilation (NIPPV)

Expiratory & Inspiratory Positive Airway Pressure
Both increase intrathoracic pressure, which can decrease
in obstructive lung ... exacerbation (cardiogenic pulmonary ... often w/ acute on chronic ... failure (ie.. asthma ... increased WOB, dyspnea
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... Classically” noted with pulmonary ... or restrictive lung ... disease (COPD, ... OSA, Asthma, Obesity
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
including restrictive lung ... of dyspnea and ... asthma, chronic ... bronchitis, and COPD ... Breathing #Patterns #Pulmonary
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
progressing GN • New pulmonary ... Eosinophilia, asthma ... , chronic rhinosinusitis ... tract, and often causes ... Palpable purpura: strong
Vasculitis - Differential Diagnosis Framework

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