Nonspecific Suggestive Symptoms Syncope Signs Sweating Pleuritic pain Dyspnea Cough Apprehension Tachypnea Dyspnea out of proportion to degree of abnormal findings Hemoptysis Tachycardia Laboratory/radiograph findings EKG abnormalities EKG, electrocardiogram Pleural friction rub Unexplained cyanosis Accentuated S2 Diagnostic Distant or absent breath sounds Crackles Fever Decreased PaO Wedged infiltrate CT angiography with ipsilateral elevated hemidiaphragm Abnormal Abnormal ventilation– pulmonary perfusion scan angiography Right axis S1 -Q3 -T3 pattern deviation ST-T wave changes Right bundle branch block