As well as its needed effects, penicillin v potassium (the active ingredient contained in Penicillin VK) may cause unwanted side effects that require medical attention. Stop taking penicillin v potassium and get emergency help immediately if any of the following effects occur:
Interventional radiology (IR), also known as vascular and interventional radiology (VIR) or surgical radiology, is an independent medical specialty, which was a sub-specialty of radiology until recently, that uses minimally invasive image-guided procedures to diagnose and treat diseases in nearly every organ system.
Vascular Tone. Vascular tone refers to the degree of constriction experienced by a blood vessel relative to its maximally dilated state. All arterial and venous vessels under basal conditions exhibit some degree of smooth muscle contraction that determines the diameter, and hence tone, of the vessel. Basal vascular tone differs among organs.