Figure 2From: Acute ST segment elevation during exercise stress echocardiography due to severe pulmonary hypertension Parasternal long axis (PLAX), parasternal short axis (PSAX), and apical 4 chamber (A4Ch) views at rest (A) and stress (B). In the PLAX view during the stress phase, note the marked right ventricular enlargement into the region typically covered by leads V1-V3.Back to article page