After a heart transplant surgery, what happens to the heart that is taken out?

Pathology. The old heart is taken to pathology where doctors try to see if they can find reasons why it failed. Sometimes, with the patient permission, doctors will also conduct research on it.
Examined. The diseased heart that is removed is carefully examined under the microscope to help determine why it was not functioning well in the first place.
It goes to pathology. After the recipient heart is removed, it is sent to be studied by the pathologists. This can help confirm the underlying cause of heart failure.

Related Questions

How long is heart transplant surgery?

Hmmm. Depends on many factors. Best to ask your transplant surgeon who will know you best.
Depends. If any prior heart surgery it takes longer. 2-4 hours for a primary operation would be reasonable. Open, remove the diseased heart, sew the new one in, and close the wound. A large number of steps!, .

What is the sucess rate of infant heart transplant surgery?

Pretty good. The surgery not very comlicated and is almost always successful, if there is a good match. The survival is ~70% in 5 years. As rejection prevention strategies improve the long term survival will improve further.

During heart transplant surgery. How is blood flow kept to the brain since the heart has to be taken out?

Heart lung machine. During heart transplant and in fact many types of heart surgery the patient is connected to cardiopulmonary bypass machine.. The blood is drained out from the large veins (vena cava) into the machine. Oxygen is put into the blood and it is returned into the artery system usually the aorta. So even with the heart stopped, the body and brain continue to receive blood and oxygen.
Heart lung machine. During all open heart surgery the blood is taken from the patients vena cava and run through an artificial lung and returned to the aorta at systemic pressure.
CP bypass. Good question. Cardiopulmonary bypass supplies oxygenated blood under pressure to all the organs connected to the aorta and its branches. Desaturated blood is drained by gravity from central venous system, oxygenated and then returned to the aorta or axillary artery or femoral artery or a combination of ax/fem arteries. This allows the body to stay alive while you fix or replace the heart.

How dangerous of a surgery is a heart transplant?

Better than altern. Heart transplant recipients can now days expect nearly a 90% 1 yr survival and 75% at 5 years. This therapy is for patients with end stage heart failure who otherwise have a poor quality of life and limited prognosis without transplant or lvad.
Major surgery. Obviously it can be vary dangerous. If someone is getting a transplant, they already have serious medical issues that won't necessarily disappear overnight with a new heart. You also have the worry that they new heart will not function well after being implanted. That said, in the right patient, a transplant is a life saver. Discussion with your surgeon and cardiologist is important.

My friend's grandfather is currently in surgery for a heart transplant. What is something that I can make for him to eat?

Tasty. Frequently poor appetite early something he likes but low fat, low butter, low sodium see aha recommendations.
Nice Gesture. He should be eating a few days after the procedure. Why don't you ask his doctors when they believe he can eat and make him favorite dishes from home. Probably best to keep away from hi salt or buttery foods.

What are the risks and benefits of stenting diseased blood vessels / heart bypass surgery / heart transplant / artificial heart valve transplant?

Way too complex. This question is way too complex for a short text Q&A. Individual patient information is needed to really discuss risks and benefits. This discussion needs to be with a live cardiologist and/or cardiac surgeon.

Is there anything in particular that someone should eat after a heart transplant to aid in the recovery?

Balanced diet. A balanced diet is best. Preferable a no added salt and low saturated fat diet, with a good amount of fiber.
Healthy. Healthy and multivitamins! Fruits, veggies, low fat, low carbs, mild-moderate protein. Do not take too many vitamins. Too much is no good. 100% is all the body can absorb or needs.