Ophthalmologists can play a pivotal role in detection and treatment of life-threatening disorders by recognizing syndromes associated with retinal tumors. Ophthalmologists can play a pivotal role in detection and treatment of life-threatening disorders by recognizing syndromes associated with retinal tumors.
The P wave in the ECG represents atrial depolarization, which results in atrial contraction.
Right atrial enlargement produces a peaked P wave (P pulmonale) with amplitude: > 1  2.5 mm in the inferior leads (II, III and AVF) > 2  1.5 mm in V1 and V2.