ST ANNOTATIONS IN THE RECORD s20171 (Duration: 26:00:00.000) Starting time, recording date: 09:10:00 28/05/1988 Lead 0: V4 Lead 1: MLIII A. Criteria of 30 seconds and 75 microVolts (s20171.sta) Lead 0: Ischemic episodes: 24 Duration: 57:38 3.69% Rate-related episodes: 0 Duration: 0:00 0.00% Axis shifts: 13 Conduction-change shifts: 0 Noisy events: 0 Unreadable intervals: 0 Duration: 0:00 0.00% Lead 1: Ischemic episodes: 8 Duration: 11:26 0.73% Rate-related episodes: 0 Duration: 0:00 0.00% Axis shifts: 8 Conduction-change shifts: 0 Noisy events: 0 Unreadable intervals: 0 Duration: 0:00 0.00% Total: Ischemic episodes: 32 Duration: 1:09:04 2.21% Rate-related episodes: 0 Duration: 0:00 0.00% Axis shifts: 21 Conduction-change shifts: 0 Noisy events: 0 Unreadable intervals: 0 Duration: 0:00 0.00% Combined: Ischemic episodes: 25 Duration: 59:30 3.81% Rate-related episodes: 0 Duration: 0:00 0.00% Unreadable intervals: 0 Duration: 0:00 0.00% Combined [ischemic or rate-related]: ST segment episodes: 25 Duration: 59:30 3.81% Unreadable intervals: 0 Duration: 0:00 0.00% B. Criteria of 30 seconds and 100 microVolts (s20171.stb) Lead 0: Ischemic episodes: 18 Duration: 39:38 2.54% Rate-related episodes: 0 Duration: 0:00 0.00% Axis shifts: 13 Conduction-change shifts: 0 Noisy events: 0 Unreadable intervals: 0 Duration: 0:00 0.00% Lead 1: Ischemic episodes: 2 Duration: 4:04 0.26% Rate-related episodes: 0 Duration: 0:00 0.00% Axis shifts: 8 Conduction-change shifts: 0 Noisy events: 0 Unreadable intervals: 0 Duration: 0:00 0.00% Total: Ischemic episodes: 20 Duration: 43:42 1.40% Rate-related episodes: 0 Duration: 0:00 0.00% Axis shifts: 21 Conduction-change shifts: 0 Noisy events: 0 Unreadable intervals: 0 Duration: 0:00 0.00% Combined: Ischemic episodes: 18 Duration: 39:56 2.56% Rate-related episodes: 0 Duration: 0:00 0.00% Unreadable intervals: 0 Duration: 0:00 0.00% Combined [ischemic or rate-related]: ST segment episodes: 18 Duration: 39:56 2.56% Unreadable intervals: 0 Duration: 0:00 0.00% C. Criteria of 60 seconds and 100 microVolts (s20171.stc) Lead 0: Ischemic episodes: 11 Duration: 31:54 2.04% Rate-related episodes: 0 Duration: 0:00 0.00% Axis shifts: 13 Conduction-change shifts: 0 Noisy events: 0 Unreadable intervals: 0 Duration: 0:00 0.00% Lead 1: Ischemic episodes: 0 Duration: 0:00 0.00% Rate-related episodes: 0 Duration: 0:00 0.00% Axis shifts: 8 Conduction-change shifts: 0 Noisy events: 0 Unreadable intervals: 0 Duration: 0:00 0.00% Total: Ischemic episodes: 11 Duration: 31:54 1.02% Rate-related episodes: 0 Duration: 0:00 0.00% Axis shifts: 21 Conduction-change shifts: 0 Noisy events: 0 Unreadable intervals: 0 Duration: 0:00 0.00% Combined: Ischemic episodes: 11 Duration: 31:54 2.04% Rate-related episodes: 0 Duration: 0:00 0.00% Unreadable intervals: 0 Duration: 0:00 0.00% Combined [ischemic or rate-related]: ST segment episodes: 11 Duration: 31:54 2.04% Unreadable intervals: 0 Duration: 0:00 0.00% QRS ATRUTH ANNOTATIONS (s20171.atr) Total number of beats 126526 Normal beats 126515 Premature ventricular contractions 9 Supraventricular premature or ectopic beats 2