12-lead ECG findings of pulmonary hypertension occur more frequently in emergency department patients with pulmonary embolism than in patients without pulmonary embolism.
Marchick MR, Courtney DM, Kabrhel C, Nordenholz KE, Plewa MC, Richman PB, Smithline HA, Kline JA. 12-lead ECG findings of pulmonary hypertension occur more frequently in emergency department patients with pulmonary embolism than in patients without pulmonary embolism. Ann Emerg Med. 2010 Apr; 55(4):331-5.