Orthopnea is difficulty in breathing that occurs when a patient lies flat, commonly seen in conditions like congestive heart failure (CHF) and pulmonary edema. Patients usually feel relief when sitting or standing upright, as this position reduces pressure on the lungs and improves oxygen exchange.
The patient has difficulty in breathing while lying down, it is called _____?
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Question context
This question is part of 🧬 Biochemistry within the broader 🧬 Medical Science subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.