When the heart pumps blood through it, it has to pump faster because of the strain placed on it. If neglecting to take your medication, the heart will can wind up damaged and if this happens, you will need open heart surgery to replace valves and other parts that are damaged. These srgeries are called double and triple bypass surgeries. In the most severe cases, a transplant is recommended. The heart can also become enlarged over time.
Breathing problems can occur as well as shortness of breath.
The heart is a much needed organ, so care should be taken with the most careful respect for it. If your medicine is causing side effects such as impotency, frequent urination, burning, chest pains, etc., make sure you tell your doctor. He can prescribe another medication, or split up your medication to one dose in the morning and one at night in smaller doses. The medicine could be too strong or maybe not strong enough. Take care of your heart, it is the only one you have.