Etymology

P pulmonale

Today it means: A high, narrow and peaked P wave on an electrocardiogram, most commonly observed in leads II and III, usually caused by enlargement of the right atrium. Full definition →

New Latin pulmōnāle
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The story

  1. New Latin · borrowed frompulmōnāle
  2. English todayP pulmonale

From P (“P wave”) + New Latin pulmōnāle, neuter singular of pulmōnālis (“relating to the lungs; pulmonary”), from pulmō (“lung”) + -ālis. So named because it often appears as a consequence of pulmonary disease.

Etymology from Wiktionary, CC BY-SA 4.0.