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Why is it important for cardiac muscle cells to be branched and interconnected with other cardiac muscle cells?
so electrical impulses can be carried freely between cells
Does cardiac electrical activity immediately precede the contraction of the cardiac muscle?
Yes
What do intercalated discs transfer from cell to cell?
Intercalated discs transfer electrical impulses and allow for coordinated contraction of cardiac muscle cells. They also facilitate the passage of ions and molecules between adjacent cells, helping to synchronize their activity.
Are all cardiac cells are able to initiate electrical?
false
What are similarities between skeletal muscle and cardiac muscle?
cardiac is cardiac and skeletal is skeletal.
What is the use for a cardiac defibrillator?
You can use a cardiac defibrillator to delivery electrical energy to a patients heart by the use of electrodes. This is commonly used on patients with cardiac dysrhythmias or ventricular fibrillation.
What are the electrical connectors between heart muscles and cells called?
The electrical connectors between heart muscles and cells are called intercalated discs. These specialized structures allow for the rapid conduction of electrical signals between cardiac muscle cells, ensuring coordinated contraction of the heart muscle.
An electrocardiogram is a recording of electrical changes occurring in the myocardium during what?
Cardiac cycle
What pattern will show on ecg after sudden cardiac arrest?
Abnormal electrical patterns
What is responsible for conducting electrical impulses within the cardiac muscle?
Intercalculated Discs
Which part if the heart malfunctions when a person suffers a cardiac arrest?
electrical system
The specialized membranes that permit electric impulses to pass between cardiac muscle cells are called?
The specialized membranes that permit electric impulses to pass between cardiac muscle cells are called intercalated discs. These structures contain gap junctions, which allow for rapid electrical communication between cells, ensuring coordinated contraction of the heart muscle.
