Page 142 - Rapid Review of ECG Interpretation in Small Animal Practice, 2nd Edition

New Holter Monitoring ECG Cases Question 59

Question 59
Holter recording summary from a 4-year-old female, spayed Boxer that fainted while jogging with the
VetBooks.ir owner and had runs of ventricular tachycardia (VT) on an in-hospital ECG. Treatment with sotalol at
1.5 mg/kg q 12 h was initiated. One week later, a Holter recording was acquired. (VPCs, ventricular
premature contractions.)

Time Treatment VPC/24 h Runs of Ventricular ectopic beats as percentage
VT/24 h of total number of beats/24 h
+1 week Sotalol 1.5 mg/kg BID 6,415 33 6.2%

1 What is your interpretation of the Holter recording results?
2 What recommendations regarding drug therapy might be made?
3 What recommendations regarding arrhythmia monitoring might be made?

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