orthopnea

Introduction

Dyspnea experienced when in the supine or prone position.

Etiology

• left ventricular failure
• mitral stenosis
• obstructive lung disease
  • chronic obstructive pulmonary disease (COPD)
  • asthma
• bilateral diaphragmatic paralysis or paresis
• sleep apnea
• severe gastroesophageal reflux disease (GERD)

More general terms

• sign/symptom
• dyspnea (shortness of breath {SOB})