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Prevalence and significance of nonsustained ventricular tachycardia in patients with premature ventricular contractions and heart failure treated with vasodilator therapy

^a VA Medical Center, Washington, DC, USA
^b VA Medical Center, Hines, Illinois, USA
^c Georgetown University Medical Center, Washington, DC, USA

View larger version (22K): [in a new window]   Figure 1 Kaplan–Meier estimates of (A) overall and (B) sudden death mortality according to the presence or absence of nonsustained ventricular tachycardia (NSVT) and unadjusted for ejection fraction.

View larger version (22K): [in a new window]   Figure 2 Kaplan–Meier estimates of (A) overall and (B) sudden death mortality according to NSVT rate less than (slow) or greater than (fast) 120 beats/min. There are no significant differences in either group.

View larger version (21K): [in a new window]   Figure 3 Kaplan–Meier estimates of (A) overall and (B) sudden death mortality according to NSVT length less than (short) or greater than (long) 15 consecutive beats. There are no significant differences.

View larger version (21K): [in a new window]   Figure 4 Kaplan–Meier estimates of (A) overall and (B) sudden death rates according to the absence (never) or presence (ever) of NSVT on any ambulatory recording throughout the study. There are no significant differences.

View larger version (21K): [in a new window]   Figure 5 Unadjusted Kaplan-Meier estimates of (A) overall and (B) sudden death mortality according to the absence (never) or presence (always) of NSVT on ambulatory recording throughout the study.