Basic ECG test
- Ary L Goldberger, MD
Ary L Goldberger, MD
- Section Editor — Electrocardiography
- Professor of Medicine
- Harvard Medical School
A 45-year-old black man is noted to have a blood pressure of 150/100. He has been hypertensive for at least 10 years. What abnormality is shown on the electrocardiogram (waveform 1A-B)?
What is the cause of the wide QRS complex (waveform 2A-B)?
What is the cause of the patient's rapid, irregular pulse (waveform 3A-B)?
A patient complains of palpitations, with sensation of "extra" heartbeats. What is the arrhythmia (waveform 4A-B)?
What is the arrhythmia (waveform 5A-B)?