Supraventricular arrhythmias with abnormal QRS complex

Arch Intern Med. 1972 Nov;130(5):781-4.
No abstract available

MeSH terms

  • Arrhythmias, Cardiac / diagnosis*
  • Bundle-Branch Block / diagnosis
  • Cardiac Complexes, Premature / diagnosis
  • Electrocardiography
  • Heart Rate
  • Humans