Diastolic Tremble

Diastolic tremor

Diastolic tremor is a palpable trembling of the chest in the precordial region in the diastole phase with certain heart defects. It is caused by turbulent blood flow through diseased valves or abnormal openings.

Diastolic tremors can be observed with such defects as aortic or mitral valve insufficiency, patent foramen ovale, and ventricular septal defect. In this case, during diastole, turbulent regurgitant blood flow occurs through incompletely closing valve leaflets or pathological holes in the septa of the heart. This turbulent flow causes vibration of the chest, which is felt as a trembling upon palpation.

Diastolic tremor allows one to suspect the presence of these heart defects. To clarify the diagnosis, additional examination methods are required, such as echocardiography and cardiac catheterization. Timely identification and treatment of valve or ventricular septal defects is important to prevent severe complications.

Diastolic palpation is a diagnostic technique in action. Outwardly, it looks like swaying and oscillations of the point of greatest amplitude of trembling during superficial palpation in the area of ​​the precordial parts. diaphragm. Often during diagnostics, acoustic phenomena occur in the form of a loud and dull “transfusion” of blood, which has diagnostic significance. This diagnostic approach can act as an additional examination method for diagnostic disorders in the operation of valves and outflow shunts for the purpose of differential diagnosis of a diagnostic technique in action, as well as as an independent research method in patients with signs of dilatation of the heart cavities. The principle of the method is that during the diastole stage (relaxation of the heart chamber), a spontaneous expansion of the heart cavity is detected, resulting in a significant expansion of the arterial bed and the cavity of the ventricles, atria, and pulmonary arteries; and during the diastolic pause, a spasm of peripheral vessels occurs, followed by the exclusion of the arterial system from the process by a pulse wave. Under conditions of “diastolic overflow,” the arteries, capable of stretching during inspiration, contract during expiration with increased amillary pulse pressure until the blood is saturated with lipids. Therefore, diastolic vibrations of the chest wall are an important communication route for information from the heart not only to the pulmonary vessels