Template:SOB DDX

Shortness of breath

Emergent

• Pulmonary
  • Airway obstruction
  • Anaphylaxis
  • Aspiration
  • Asthma
  • Cor pulmonale
  • Noncardiogenic pulmonary edema
  • Pneumonia (Main)
  • Pneumocystis Pneumonia (PCP)
  • Pulmonary embolism
  • Tension pneumothorax
• Cardiac
  • Cardiac tamponade
  • Cardiogenic pulmonary edema (CHF)
  • Myocardial Infarction
  • Pericarditis
• Other Associated with Normal/↑ Respiratory Effort
  • Abdominal distension
  • Anemia
  • CO Poisoning
  • Diabetic ketoacidosis (DKA)
  • Diaphragm injury
  • Electrolyte abnormalities
  • Epiglottitis
  • Flail chest
  • Hypotension
  • Metabolic acidosis
  • Pneumonia
  • Pneumothorax/hemothorax
  • Renal Failure
  • Sepsis
  • Toxic ingestion
• Other Associated with ↓ Respiratory Effort
  • Guillain-Barre syndrome
  • Multiple sclerosis
  • Organophosphate toxicity
  • Stroke (Main)
  • Tick paralysis

Non-Emergent

• Spontaneous pneumothorax
• Pleural Effusion
• Neoplasm
• PNA
• COPD
• Congenital Heart Disease
• Pregnancy
• Ascites
• Obesity
• Hyperventilation
• Panic attack
• Fever
• Thyroid Disease
• Rib fracture
• ALS
• Polymyositis
• Porphyria