3 Lead ECG: Sinus rhythm with 1st degree AV block

3 Lead ECG: Ventricular escape rhythm

12 Lead ECG: Atrial fibrillation and flutter with ventricular pacemaker

3 Lead ECG: atrial flutter with variable conduction

Cardiac Auscultation, Atrial Septal Defect (left lower sternal border, aortic)

Cardiac Auscultation, Atrial Septal Defect (aortic)

Cardiac Auscultation, Hypertrophic Cardiomyopathy (left lower sternal border, aortic)

Cardiac Auscultation, Hypertrophic Cardiomyopathy (pulmonic)

Cardiac Auscultation, Mitral Stenosis (left lower sternal border, aortic)