Here's what rhymes with arrhythmias.

Consider these alternatives

fibrillation / relation ventricular / atrioventricular cardiac / back atrial / trial palpitations / relations bradycardia / tachycardia neurologic / logic supraventricular / ventricular atherosclerosis / tuberculosis malformations / relations hypoglycemia / anemia ischemic / academic hypertensive / extensive ascites / needs amiodarone / known coronary / very hyperthermia / hernia myocytes / rights contractility / ability hyperglycemia / anemia myocardium / guardian defibrillation / relation