[Changes in the mechanical noise of the heart muscle before spontaneous excitation].
D000818:Animals; D004594:Electrophysiology; D066298:In Vitro Techniques; D009129:Muscle Tonus; D009200:Myocardial Contraction; D010210:Papillary Muscles / Q000502:physiology*; D051381:Rats; D012146:Rest
Izmeneie mekhanicheskogo shuma myshtsy serdtsa pered spontannym vozbuzhdeniem.