Hypoattenuated Leaflet Thickening

• HALT normally starts at base and works its way to the tip

Figure source: ¹

Footnotes

1. Makkar RR, Blanke P, Leipsic J, Thourani V, Chakravarty T, Brown D, Trento A, Guyton R, Babaliaros V, Williams M, Jilaihawi H, Kodali S, George I, Lu M, McCabe JM, Friedman J, Smalling R, Wong SC, Yazdani S, Bhatt DL, Bax J, Kapadia S, Herrmann HC, Mack M, Leon MB. Subclinical Leaflet Thrombosis in Transcatheter and Surgical Bioprosthetic Valves: PARTNER 3 Cardiac Computed Tomography Substudy. J Am Coll Cardiol. 2020 Jun 23;75(24):3003-3015. doi: 10.1016/j.jacc.2020.04.043. PMID: 32553252. ↩