Sometimes, the rhythm of your heart is trying to tell you something is wrong, and it may be speaking to you in a language different from the “classic” symptoms like palpitations, shortness of breath, ...

This rhythm strip was taken from a 41-year-old male with lymphoma. He had a 5-day history of substernal chest pain, which was increased by lying down and decreased by sitting up and leaning forward.

The basic rhythm is sinus. Many premature beats are present, which are all preceded by prematurely occurring P waves (marked by x) and are all PACs. The premature P waves shown in Figure 2 are all ...

Heart rhythm disorders are becoming more and more common, especially in the elderly population. Many of these are easily treated with medication, ablations or other electrophysiology treatment. There ...