11. Little is known of the Klfs in the myocardium . 12. The thebesian venous network is considered an alternative venous drainage of the myocardium . 13. Akchurin said the president will undergo echocardiography and radioisotopic myocardium examination before the session. 14. Nine days after surgery, the researchers found a new band of regenerating myocardium . 15. Disopyramide has a negative inotropic effect on the ventricular myocardium , significantly decreasing the contractility. 16. To better understand diastolic function, it is crucial to realize that the left myocardium . 17. The fact that he is coming back from a stunned myocardium is a very good sign, 18. The epicardium is the layer immediately outside of the heart muscle proper ( the myocardium ). 19. Cardiomyopathies are inherent diseases of the myocardium , many of which are caused by genetic mutations. 20. The conduction system consists of specialised heart muscle cells, and is situated within the myocardium .