In this issue of Veterinary Clinics: Small Animal Practice, guest editor Lisa Powell brings her considerable expertise to the topic of Hot Topics in Small Animal Medicine. This issue is an eclectic compilation of some of the most popular topics among readers of this Clinics series. Top experts in the field provide updates on the latest advances and developments in several key areas of importance for small animal practitioners.• Contains a variety of relevant, practice-oriented topics including urinary tract infection treatment and comparative therapeutics; acute kidney injury in dogs and cats; fluid and electrolyte therapy during vomiting and diarrhea; basics of mechanical ventilation for dogs and cats; fluid therapy for the emergent small animal patient: crystalloids, colloids, and albumin products; and more. • Provides in-depth clinical reviews on hot topics in small animal medicine, offering actionable insights for clinical practice. • Presents the latest information on this timely, focused topic under the leadership of experienced editors in the field. Authors synthesize and distill the latest research and practice guidelines to create clinically significant, topic-based reviews.