equine ICVA study questions with correct answers

what horses are most affected by aortic rupture Correct Answer-older horses, stallions, Friesians what is the etiology of aortic rupture Correct Answer-aorta may dissect into the PA, pericardium or right myocardium what are CS of aortic rupture Correct Answer-paracute death, colic, tachycardia, sweating, continuous machinery murmur, bounding pulses, signs of acute distress/pain/colic what is tx of aortic rupture Correct Answer-mgt of acute congestive heart failure what is placement of a lead 1 on a horse Correct Answer-white is negative at right POS, black is positive at left axilla, red anywhere on left what is equine tachycardia Correct Answer- 50 bpm what is the most common bradyarrhythmia in horses Correct Answer-av block what causes av block in horses leading to bradyarrhythmias Correct Answer-high parasympathetic tone how do you determine a non pathologic bradyarrhythmia in a horse Correct Answer-increase sympathetic tone with exercise, scare, atropine this arrhythmia is when o