Save. Employers typically post job openings as full or part time. Often, these postings include the terms exempt or non-exempt in the descriptions. Full or part time refer to how the employer classifies the job for its own purposes.ave. Employers typically post job openings as full or part time. Often, these postings include the terms exempt or non-exempt in the descriptions. Full or part time refer to how the employer classifies the job for its own purposes.
Pathophysiology of Cardiac Causes of Tachycardia. Cardiac causes of tachyarrhythmias may either be a result of disturbance in the formation of an electrical impulse (i.e. abnormality of the sinoatrial node) or an alteration of the conduction of the same (e.g. bundle branch block, Wolf-Parkinson-White syndrome).
1 During a heart attack, blood flow is affected in the heart, and heart tissue can begin to lose oxygen and die. 2  This tissue will not conduct electricity as well, which can cause an abnormal EKG. 3  Ischemia, or lack of blood flow, may also cause an abnormal EKG. 4  Heart rate abnormalities. Ischemia, or lack of blood flow, may also cause an abnormal EKG. 2  Heart rate abnormalities. 3  A typical human heart rate is between 60 and 100 beats per minute. 4  An EKG can determine if the heart is beating too fast or too slow.