Causes of the "Escape Rhythms" mentioned above are failure of the upper pacemaker to fire or to conduct its electrical activity successfully to the rest of the heart. This can occur in conditions like Sinus Bradycardia (slow heart rate - which is an opportune time for a lower heart pacemaker to dominate, as in accelerated idioventricular rhythm), Sinus Pause or Sinus Arrest, Sino-Atrial Exit Block, and Sick Sinus Syndrome.
The exact and underlying causes of these conditions is far beyond the scope of this discussion, because the rhythm you described the PA writing down isn't used as such, as it's not proper EKG Interpretation Terminology. Thus, we do not have an appropriate rhythm disturbance name to work with in your situation.
If you have ongoing chest pain, jaw/face pain, in the setting of an abnormal EKG you should be seen in the ER now and evaluated for heart attack. As I mentioned before, the terminology used by the PA is not appropriate and does not make sense. Regardless, chest pain with jaw/face pain and an abnormal EKG need to be immediately investigated for heart attack or other life-threatening problems.
I would strongly favour your being seen in the ER and being evaluated as soon as possible. They will put you on a monitor, draw blood tests, repeat the EKG, and evaluate you for both heart attack and the exact nature of the abnormal EKG.
Your PA has complicated this scenario by using terminology that is not used in as such in medicine. "Paroxysmal Idioventricular Rhythm" is not proper terminology. The EKG can show paroxysms of "Accelerated Idioventricular Rhythm" or a "Ventricular Escape Rhythm" ... both of which in the setting of the presence of chest pain and jaw/facial pain should be evaluated emergently.
If you were one of my patients, I would recommend that you go to the Emergency Room RIGHT NOW.
Kindest Regards,
Daniel Nelson, MD
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