1. Paroxysmal Cardiac Arrest
Walter G. Frey, M.D. 
Diseases of the Chest 
Volume 43, Issue 5, Pages (May 1963)
DOI: /chest
Copyright © 1963 The American College of Chest Physicians Terms and Conditions

2. FIGURE 1
The 12 lead electrocardiogram was normal at time of thoracotomy, November 9, 1959, but showed sinus bradycardia, premature auricular contractions and prominent U waves on February 26, Lead V1 shows part of a typical episode of atrio-ventricular standstill, which lasted over 10 seconds and was accompanied by convulsions and unconsciousness.
Diseases of the Chest  , DOI: ( /chest )
Copyright © 1963 The American College of Chest Physicians Terms and Conditions

3. FIGURE 2
Pulse record before and after radiation therapy showing gradual increase in rate, improvement in chest x-ray findings, and elimination of Adams-Stokes attacks.
Diseases of the Chest  , DOI: ( /chest )
Copyright © 1963 The American College of Chest Physicians Terms and Conditions