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)?To continue reading this article, you must log in with your personal, hospital, or group practice subscription. For more information on subscription options, click below on the option that best describes you: