5 Questions
What is the main cause of arrhythmias?
Enhanced automaticity of cardiac sites other than the SA node
Which part of the myocardium is responsible for setting the pace of contraction?
SA node
How do most antiarrhythmic agents suppress automaticity?
By blocking sodium (Na+) or calcium (Ca2+) channels
What is the function of the SA node in the myocardium?
Setting the pace of contraction
Which ions do antiarrhythmic agents typically block to reduce automaticity?
Sodium (Na+)
Learn about the pharmacologic management of chronic heart failure and antiarrhythmic drugs in this lecture from Kurdistan Technical Institute's Pharmacy Department. Explore the causes of arrhythmias and how to organize them into different groups based on anatomical abnormalities.
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