NURSING 101

Dysrhythmias are abnormal rhythms that affect its ability to pump OXYGENATED blood throughout the body. *CAD, electrolyte imbalance,, changes in oxy and drug toxicity can cause dysrhythmias Specialized myocardial cells regulate heart rate, rhythm and possess: 1. automaticity (pacing function): ability of cardiac cells to generate an electrical impulse spontaneously and repetitively. Normally, only primary pacemaker cells (sinoarial, SA, nodes) can generate the impulse. *in times of myocardi...