Flashcards in Equine Cardiology Deck (10)
What are common non-pathologic heart arrhythmias in healthy (athletic) horses?
2* AV block
What are characteristics of a 2* AV block on ECG?
Slow normal HR, normal QRS, P-waves not always followed by QRS
How do you treat a 2* AV block in a healthy horse?
How can you diagnose a 2* AV block in a healthy horse on auscultation?
Regular rhythm w/dropped beats
What is the most common pathologic arrhythmia in horses?
What are characteristics of A-fib on ECG?
High normal HR, normal QRS, irregular R-R, no P-waves just fibrillation waves
What are clinical signs of A-fib?
None, exercise intolerance/poor performance
How do you treat A-fib?
None if asymptomatic, quinidine
What are side effects of quinidine in horses?
D+, colic, laminitis