Patients with pulmonary<unk>  often have a normal EKG, but pericardial effusion may occur leading to EKG changes. Extra-pulmonary<unk> , such as tuberculous pericarditis, can show EKG changes.
Tuberculosis electrocardiogram
ST elevation myocardial infarction physical examination
Chronic bronchitis electrocardiogram
Coronary heart disease electrocardiogram
Brugada syndrome chest x ray
Pulmonary embolism electrocardiogram
Coronary angiography left coronary artery
Air embolism electrocardiogram