[Left ventricular thrombus--variability of causes and clinical presentation--four case reports].

Thrombi occurring in heart chambers, particularly in the left ventricle, are very often due to diseases leading to heart dilation. Thrombi could dissolve spontaneously or as a result of pharmacological treatment. They could also be mobilizes and produce emboli.

[Repeat angioplasty of the left anterior descending coronary artery due to restenosis. How many times could we do it?].

Coronary angioplasty is widely accepted method of myocardium revascularisation. Repeat restenosis is often an indication for surgical treatment. Unfortunately, some patients are not treated surgically for various reasons.