These contract and expand in response to electrical impulses from the nervous system. Pacemaker cells generate electrical impulses, or action potentials, that tell cardiac muscle cells to contract ...

Not all scars are created equal. That's the conclusion of a new study by Weizmann Institute of Science researchers: They found that two distinct types of scars, referred to as "hot" and "cold," can ...

When the calorie and protein supply remains low over time, starvation-dependent cardiomyopathy develops, leading to severe ...

Cardiac amyloidosis is a serious disease in which abnormal proteins (amyloids) accumulate in the heart muscle and impair ... now developed and tested an AI system that can be used to automatically ...

Heart Rate Increase in rate of contraction of cardiac muscle - cardiac output increases Decrease in rate of contraction of cardiac muscle - cardiac output decreases Breathing Rate Smooth muscle of ...

In children, can being treated for cancer have consequences for the heart—namely, cardiac arrythmias? A new study by ...

Cardiovascular system Cardiac hypertrophy ... your biceps will show muscle hypertrophy. Cardiac hypertrophy is where the ventricle wall gets larger or thickens as a result of exercise.

Cardiac arrhythmias affect millions across the world and are responsible for a fifth of all deaths in the Netherlands. Currently there are multiple treatment options, ranging from life-long medication ...

Understanding why newborns, but not adults, can regenerate the heart could lead to treatments that "reprogram" adult ...