ST ANNOTATIONS IN THE RECORD s20291 (Duration: 23:00:51.996) Starting time, recording date: 16:31:00 18/11/1983 Lead 0: MLIII Lead 1: V4 A. Criteria of 30 seconds and 75 microVolts (s20291.sta) Lead 0: Ischemic episodes: 32 Duration: 1:03:44 4.62% Rate-related episodes: 0 Duration: 0:00 0.00% Axis shifts: 3 Conduction-change shifts: 0 Noisy events: 0 Unreadable intervals: 1 Duration: 1:58 0.14% Lead 1: Ischemic episodes: 37 Duration: 1:19:52 5.78% Rate-related episodes: 0 Duration: 0:00 0.00% Axis shifts: 19 Conduction-change shifts: 0 Noisy events: 0 Unreadable intervals: 1 Duration: 1:58 0.14% Total: Ischemic episodes: 69 Duration: 2:23:36 5.20% Rate-related episodes: 0 Duration: 0:00 0.00% Axis shifts: 22 Conduction-change shifts: 0 Noisy events: 0 Unreadable intervals: 2 Duration: 3:56 0.14% Combined: Ischemic episodes: 38 Duration: 1:23:34 6.05% Rate-related episodes: 0 Duration: 0:00 0.00% Unreadable intervals: 1 Duration: 1:58 0.14% Combined [ischemic or rate-related]: ST segment episodes: 38 Duration: 1:23:34 6.05% Unreadable intervals: 1 Duration: 1:58 0.14% B. Criteria of 30 seconds and 100 microVolts (s20291.stb) Lead 0: Ischemic episodes: 26 Duration: 54:28 3.94% Rate-related episodes: 0 Duration: 0:00 0.00% Axis shifts: 3 Conduction-change shifts: 0 Noisy events: 0 Unreadable intervals: 1 Duration: 1:58 0.14% Lead 1: Ischemic episodes: 31 Duration: 1:09:58 5.07% Rate-related episodes: 0 Duration: 0:00 0.00% Axis shifts: 19 Conduction-change shifts: 0 Noisy events: 0 Unreadable intervals: 1 Duration: 1:58 0.14% Total: Ischemic episodes: 57 Duration: 2:04:26 4.51% Rate-related episodes: 0 Duration: 0:00 0.00% Axis shifts: 22 Conduction-change shifts: 0 Noisy events: 0 Unreadable intervals: 2 Duration: 3:56 0.14% Combined: Ischemic episodes: 31 Duration: 1:11:50 5.20% Rate-related episodes: 0 Duration: 0:00 0.00% Unreadable intervals: 1 Duration: 1:58 0.14% Combined [ischemic or rate-related]: ST segment episodes: 31 Duration: 1:11:50 5.20% Unreadable intervals: 1 Duration: 1:58 0.14% C. Criteria of 60 seconds and 100 microVolts (s20291.stc) Lead 0: Ischemic episodes: 20 Duration: 46:12 3.35% Rate-related episodes: 0 Duration: 0:00 0.00% Axis shifts: 3 Conduction-change shifts: 0 Noisy events: 0 Unreadable intervals: 1 Duration: 1:58 0.14% Lead 1: Ischemic episodes: 24 Duration: 57:24 4.16% Rate-related episodes: 0 Duration: 0:00 0.00% Axis shifts: 19 Conduction-change shifts: 0 Noisy events: 0 Unreadable intervals: 1 Duration: 1:58 0.14% Total: Ischemic episodes: 44 Duration: 1:43:36 3.75% Rate-related episodes: 0 Duration: 0:00 0.00% Axis shifts: 22 Conduction-change shifts: 0 Noisy events: 0 Unreadable intervals: 2 Duration: 3:56 0.14% Combined: Ischemic episodes: 24 Duration: 59:04 4.28% Rate-related episodes: 0 Duration: 0:00 0.00% Unreadable intervals: 1 Duration: 1:58 0.14% Combined [ischemic or rate-related]: ST segment episodes: 24 Duration: 59:04 4.28% Unreadable intervals: 1 Duration: 1:58 0.14% QRS ATRUTH ANNOTATIONS (s20291.atr) Total number of beats 76587 Normal beats 75971 Premature ventricular contractions 410 Supraventricular premature or ectopic beats 206