Emboli. Atrial myxoma is the commonest intracardiac tumor. It produces symptoms similar to that of an infection in the heart, i.e., fever, change in heart sounds. Blood clots form on the tumor and go to any organ in the body with resultant symptoms, e.g., stroke, blood in urine, abdominal pain etc.
Imaging. Intracardiac tumors are almost always discovered on imaging studies, typically ultrasound, because of a new murmur or impaired heart function. Most familiar is the atrial myxoma, which is usually easily removed with an excellent outcome.
Multiple. Cardiac mri, angiography, echocardiography are the major tests.
Cant feel. Intracardiac tumors are within the heart and therefore can not be felt. Usually no symptoms are present. Some can dislodge and present with stroke like results. Others can obstruct flow across valves and cause heart failure like symptoms when large enough.
Usually, nothing. Most cardiac tumors cannot be felt, but rather are diagnosed on imaging study only. Sometimes, if the tumor is large enough and compressing or irritating cardiac tissue, it may cause palpitations or shortness of breath. Very rarely a large tumor may cause chest pain, but again, this is extremely rare.
Tumor inside/Heart. It means there is a tumor or growth inside the cavity of your heart. It is a serious problem requiring immediate attention from a Cardiologist. Most such tumors can be removed with an operation and these tend to be benign..., with a few exceptions. Best thing to to do is get it removed quick.