POTS due to excessive venous pooling in an enlarged inferior vena cava.
Postural tachycardia syndrome (POTS) is a form of orthostatic intolerance characterized by a marked increase in heart rate within the first 10 min of head-up tilt (HUT). We present a patient whose enlarged inferior vena cava that appears to be a contributing mechanism to her POTS and presyncopal symptoms.
Department of Cardiovascular Medicine, Cleveland Clinic, 9500 Euclid Avenue, J2-2, Cleveland, OH 44195, USA.
Christopher E
CE
Gaw
Robert W
RW
Shields
Kenneth A
KA
Mayuga
Heather L
HL
Gornik
Fetnat
F
Fouad-Tarazi
D005260:Female; D006801:Humans; D054971:Orthostatic Intolerance / Q000209:etiology / Q000503:physiopathology; D054972:Postural Orthostatic Tachycardia Syndrome / Q000209:etiology* / Q000503:physiopathology; D011859:Radiography; D014682:Vena Cava, Inferior / Q000002:abnormalities* / Q000000981:diagnostic imaging / Q000503:physiopathology; D014689:Venous Insufficiency / Q000150:complications* / Q000473:pathology* / Q000503:physiopathology; D055815:Young Adult