<prompt> Pseudo-P pulmonale seen in:HypokalemiaHyperkalemiaHypomagnesemiaHypercalcemia  <response>: Ref. API Textbook of Medicine. Pg. 708 Right atrial abnormality P pulmonale:ECG Findings:Right atrial enlargement produces a peaked P wave P pulmonale with amplitude: 2.5 mm in the inferior leads II, III and aVF 1.5 mm in V1 and V2The principal cause is pulmonary hypertension due to:Chronic lung disease cor pulmonaleTricuspid stenosisCongenital heart disease pulmonary stenosis, Tetralogy of FallotPrimary pulmonary hypertension.A similar picture can be seen in hypokalaemia known as pseudo p-pulmonale 