I am Dr Tryzelaar and a retired cardio thoracic surgeon. After a life-long career in the treatment of heart diseases, I created this web site to help you with your cardiac disease questions. This is what you'll get:





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Ask the Doctor your cardiac related questions today!

Thank you for taking my question.  My father in law is 76.  Last Friday after experiencing chest discomfort he was brought to ER and immediately to the Cath lab.  The dr who did the Cath said he would have not survived the day had he not come in.  His EF was between 10% and 15...
Hi Chris, Improved heart function (as demonstrated with the Ejection Fraction) happens often if there was "viable but ischemic" heart muscle before the operation: If the coronary artery bypass surgery (CABG) is proven  successful, not only for the grafts to work but in recruiting heart muscle...


When is Bypass Surgery the Best Treatment?

The medical literature and my own experience support this course of action in patients with symptomatic CAD:



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