NAVLE Urinary

Equine Renal Failure and Urogenital Injuries Study Guide

Renal failure in horses represents a significant clinical challenge and important NAVLE topic. Unlike companion animals, kidney disease is rare in horses (prevalence 0.12%).

Overview and Clinical Importance

Renal failure in horses represents a significant clinical challenge and important NAVLE topic. Unlike companion animals, kidney disease is rare in horses (prevalence 0.12%). The large renal reserve means clinical signs often do not appear until 75% of nephron function is lost.

Urogenital injuries, particularly uroperitoneum from bladder rupture, are life-threatening emergencies requiring rapid diagnosis and intervention. These conditions are commonly tested due to distinct presentations and critical treatment decisions.

Structure Key Features
Right Kidney Heart-shaped (Valentine shape); approximately 650g; located under last 2-3 ribs and first lumbar transverse process; embedded in liver; approximately 15 cm long
Left Kidney Bean to pyramidal shape; approximately 600g; approximately 18 cm long; more caudal; can be palpated rectally
Renal Pelvis Funnel-shaped; two terminal recesses extending to each pole; mucous glands produce viscous equine urine
Bladder Lies within pelvis when empty; can hold up to 4L; trigone is most sensitive region

Equine Renal Anatomy Review

Understanding equine renal anatomy is essential for interpreting diagnostic findings. Equine kidneys have smooth surfaces with less distinct corticomedullary junction than other species.

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