Cardiac-specific Kv1.1 deficiency alters cardiomyocyte electrophysiology without modifying overall cardiac function or arrhythmia susceptibility. - Halvorson K; Si M; Trosclair K; Aughenbaugh E; Parkinson M; Gautier-Hall NM; Watts M; Kizek F; Bhuiyan MS; Dominic P; Hamilton KA; Glasscock E (Experimental physiology, 2026)