The study covered in this summary was published on MedRxiv.org as a preprint and has not yet been peer reviewed. Patients who experienced premature ventricular contractions (PVCs) during the recovery ...

57-year-old male with chest pain, mild dyspnea on exertion, and ST-T wave alterations in the left precordial leads. The patient has no history of hypertension or syncope. A loud systolic murmur, which ...

An electrocardiogram and echocardiogram (echo) are both noninvasive imaging tests that look at the functioning of your heart and can help identify heart disease. An electrocardiogram (EKG or ECG) and ...

S1 and S2 are the normal heart sounds you hear when the heart valves close. Heart murmurs are extra sounds that can be heard during systole, diastole, or as a continuous sound. S3 and S4 are abnormal ...

Patients who experience chest pain and have abnormal results on a cardiac stress test but who do not have blocked arteries often experience changes in their symptoms and stress test results over time, ...