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Differential Diagnosis of
Chronic Dyspnea
Presented by
Differential Diagnosis
Dyspnea
Pivotal Finding
Treatment
Obvious diagnosis
MI, Pneumothorax, profound anemia
Symptom to Di...
Differential Diagnosis
Pivotal Finding
Pneumonia
Asthma (w/ infection)
COPD (w/ infection)
Pulmonary emboli
Endocarditis
I...
Acute & Chronic Dyspnea
Nonpleuritic Chest Pain
Pleuritic Chest Pain Acute Chronic
Pneumonia Myocardial infarction Angina ...
Chest Pain or not?
Heart failure
Asthma
COPD
Chronic bronchitis
Pulmonary emboli
Angina
Arrhythmia
Asthma
COPD
Pulmonary e...
Possible Causes
Heart failure
Asthma
COPD
Chronic bronchitis
Pulmonary emboli
Differential Diagnosis
Heart failure
Asthma
COPD
Pulmonary
emboli
Minor edema in
lower extremities
CXR
?
COPD & Asthma
• The degree of ‘reversibility’
• History taking
• Pulmonary function tests (PFTs)
UpToDate: Diagnosis of as...
Pulmonary Function Tests
Mechanism
Key PFT
Abnormality
Other PFT Finding
Obstructions
(all types)
↓ Flows
↓FEV1/FVC
TLC N↑...
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Differential diagnosis of chronic dyspnea

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Differential diagnosis of chronic dyspnea, as titled.

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Differential diagnosis of chronic dyspnea

  1. 1. Differential Diagnosis of Chronic Dyspnea Presented by
  2. 2. Differential Diagnosis Dyspnea Pivotal Finding Treatment Obvious diagnosis MI, Pneumothorax, profound anemia Symptom to Diagnosis: An Evidence-Based Guide, 3rd
  3. 3. Differential Diagnosis Pivotal Finding Pneumonia Asthma (w/ infection) COPD (w/ infection) Pulmonary emboli Endocarditis ILD ARDS Pneumonia Asthma COPD Pulmonary emboli Pneumothorax Exudative pleural effusion Acute Heart failure Pneumonia Asthma COPD Pulmonary emboli Fever Pleuritic chest pain Other chest pain None Chronic Symptom to Diagnosis: An Evidence-Based Guide, 3rd
  4. 4. Acute & Chronic Dyspnea Nonpleuritic Chest Pain Pleuritic Chest Pain Acute Chronic Pneumonia Myocardial infarction Angina (CAD) Pulmonary emboli Aortic dissection Angina (aortic stenosis) Asthma Pulmonary emboli Angina (anemia) COPD Pneumonia Arrhythmia Pneumothorax Arrhythmia Asthma Pleural effusion, exudative Pneumothorax COPD Symptom to Diagnosis: An Evidence-Based Guide, 3rd
  5. 5. Chest Pain or not? Heart failure Asthma COPD Chronic bronchitis Pulmonary emboli Angina Arrhythmia Asthma COPD Pulmonary emboli Chest Pain ✔ ×
  6. 6. Possible Causes Heart failure Asthma COPD Chronic bronchitis Pulmonary emboli
  7. 7. Differential Diagnosis Heart failure Asthma COPD Pulmonary emboli Minor edema in lower extremities CXR ?
  8. 8. COPD & Asthma • The degree of ‘reversibility’ • History taking • Pulmonary function tests (PFTs) UpToDate: Diagnosis of asthma in adolescents and adults
  9. 9. Pulmonary Function Tests Mechanism Key PFT Abnormality Other PFT Finding Obstructions (all types) ↓ Flows ↓FEV1/FVC TLC N↑ RV↑ COPD (chronic bronchitis) COPD (emphysema) DLCO↓ Asthma Above & Bronchodilator produces an increase of ≥ 12%↑

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