Friend is undergoing chemotherapy for secondary cancer of the liver following complicated surgery and chemotherapy 3 years ago for bowel cancer. They have had mild irregularities previous to cancer & told nothing to worry about but since this course of treatment it has got a lot worse, especially after each round of chemo. They have been told it is not the chemo causing it and they wondered if it could be caused by pressure on the diaphragm etc from being in an upright seating position for approx 4 hours that could compromise circulation and cause irregularities. Symptoms ease a little from lying down & increase from any excertion, even mild and do lessen over time until next round of chemo when they reoccur. They want to know if there could be a connection or if there is another possible cause & dont want to see their doctor about it as they spend enough time with the medics already.
I do know of a woman that developed some cardiomyopathy after her chemo treatments. And any heart irregularities could potentially cause some arrhythmias as well. Has your friend had an echo done on his/her heart?
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