Cardiac disorders: Myocardial Contusions Flashcards
1
Q
The most common physiologic consequence of myocardial injury in dogs is _________.
A
Arrhythmias
2
Q
Myocardial injuries often manifest in what ways?
A
Arrhythmias and conduction defects
3
Q
Treatment for myocardial injuries is aimed at preventing life threatening arrhythmias. Antiarrhythmic therapies include -?
A
Lidocaine (2 mg/kg IV q 10-20 minutes until a total of 8 mg/kg has been given)
Procainamide (6-15 mg/kg IM or IV q 4-6 hrs)
4
Q
The end point of therapy for arrhythmias includes -?
A
Heart rate under 140 bpm and a return of adequate tissue perfusion