Awasome Hips Arrhythmia References. Web hypsarrhythmia is abnormal interictal high amplitude waves and a background of irregular spikes. This quick test measures the electrical activity of the heart.

Web hypsarrhythmia is abnormal interictal high amplitude waves and a background of irregular spikes. You may also have an irregular heartbeat. Web hypsarrhythmia is abnormal interictal high amplitude waves and a background of irregular spikes.