Ultrasound-guided trigeminal nerve approach at the level of the pterygopalatine fossa in cat cadavers.

Objective: To describe an ultrasound-guided suprazygomatic approach to the trigeminal nerve block in cat cadavers.

Study Design: Prospective descriptive study.

Animals: Ten feline cadaver heads.

Treatment of lidocaine-refractory ventricular tachycardia using procainamide in an anesthetized horse.

Objective: To highlight the use of procainamide as a potential alternative treatment modality in cases of ventricular tachycardia that are refractory to lidocaine and magnesium sulfate.

Animal: 1 adult horse weighing 380 kg.

Clinical Presentation, Progression, And Procedures: A 25-year-old Arabian gelding presented with severe colic signs.