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

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... Acute or chronic ... Classically” noted with pulmonary ... disease (COPD, OSA, Asthma ... ABG #bloodgas #Acid
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
Differential Diagnosis of Respiratory Acid-Base Disorders
Alkalosis
A. Central nervous system stimulation: Pain, Anxiety, psychosis, Fever, Cerebrovascular accident,
of Respiratory Acid-Base ... Cardiac failure, Pulmonary ... morphine, sedatives), Stroke ... : Obstruction, Asthma ... differential #diagnosis #causes
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
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
and metabolic acidosis ... due to metabolic acidosis ... Cheyne-Stokes Breathing ... asthma, chronic ... Breathing #Patterns #Pulmonary