10 free NAVLE practice questions in the real exam format, covering the official content areas, with an explanation for every answer.
NAVLE Practice Test 1Tutor mode
Question 1 of 10
Clinical Practice
A 6-year-old castrated male German shepherd dog is in the ICU 14 hours after surgical correction of gastric dilatation-volvulus with partial gastrectomy. He is quiet. Temperature 101.8°F (38.8°C), respiratory rate 32 breaths/min. Femoral pulses are weak and irregular with pulse deficits, capillary refill time is 2.5 seconds, and mean arterial pressure is 62 mm Hg. Plasma lactate is 3.8 mmol/L (34 mg/dL). A lead II electrocardiogram is recorded; two sinus complexes are followed by a run of complexes at about 210 beats/min. Which of the following is the most likely rhythm?
Lead II electrocardiogram (25 mm/s)
Two sinus complexes, then a sustained run of wide complexes without preceding P waves. Thin vertical lines = 0.2 s.