| RVP | red veterinary petrolatum; resting venous pressure; right ventricular pressure |
|---|---|
| AFO | Ankle Foot Orthosis |
| AFO | ankle/foot orthotic [brace or cast]; ankle-foot orthosis |
| AO | abdominal aorta; achievement orientation; acid output; acridine orange; ankle orthosis; anodal openi... |
| CO | carbon monoxide; cardiac output; castor oil; casualty officer; centric occlusion; cervical orthosis;... |