SUMMARY NOTES IN THE RECORD s20431 (Duration: 23:51:30.000) Starting time, recording date: 09:25:00 10/12/1991 Lead 0: 0 Lead 1: 1 Age: 74 Sex: M Comments: This record has a number of ischemic episodes, one of which never reaches an end at the conclusion of the recording. Lead 0: This lead reveals 15 ischemic episodes, 14 rate-related episodes and many axis shifts. Lead 1: It shows 13 ischemic episodes as well as the axis shifts. Electrode locations were not recorded. Symptoms during Holter recording: No data Diagnoses: Coronary artery disease Treatment: Medications: Beta-blocker Aspirin Balloon Angioplasty: No Coronary Artery bypass Grafting: No History: Previous myocardial infarction Hypertension: No Left ventricular hypertrophy: No data Cardiomyopathy: No data Valve disease: No data Electrolyte abnormalities: No data Hypercapnia, anemia, hypotension, hyperventilation: No data Atrioventricular nodal conduction delay: No data Intraventricular conduction block: No data Previous Myocardial Infarction: Yes Previous tests: ECG stress test: No data Thallium/Stress echo: No data Left ventricular function: No data Echocardiogram: No data Coronary Arteriography: Lesions in right coronary artery, left anterior descending coronary artery, left circumflex coronary artery Baseline ECG: No data Holter Recording: Date: 10/12/1991 Recorder: No data ST ANNOTATIONS A. Criteria of 30 seconds and 75 microVolts (s20431.sta) Lead 0: Ischemic episodes: 15 Duration: 1:38:06 6.85% Rate-related episodes: 14 Duration: 31:36 2.21% Axis shifts: 13 Conduction-change shifts: 0 Noisy events: 0 Unreadable intervals: 0 Duration: 0:00 0.00% Lead 1: Ischemic episodes: 13 Duration: 1:55:38 8.08% Rate-related episodes: 0 Duration: 0:00 0.00% Axis shifts: 5 Conduction-change shifts: 0 Noisy events: 0 Unreadable intervals: 0 Duration: 0:00 0.00% Total: Ischemic episodes: 28 Duration: 3:33:44 7.47% Rate-related episodes: 14 Duration: 31:36 1.10% Axis shifts: 18 Conduction-change shifts: 0 Noisy events: 0 Unreadable intervals: 0 Duration: 0:00 0.00% Combined: Ischemic episodes: 14 Duration: 2:07:22 8.90% Rate-related episodes: 14 Duration: 31:36 2.21% Unreadable intervals: 0 Duration: 0:00 0.00% Combined [ischemic or rate-related]: ST segment episodes: 28 Duration: 2:38:58 11.10% Unreadable intervals: 0 Duration: 0:00 0.00% B. Criteria of 30 seconds and 100 microVolts (s20431.stb) Lead 0: Ischemic episodes: 7 Duration: 1:18:54 5.51% Rate-related episodes: 6 Duration: 12:16 0.86% Axis shifts: 13 Conduction-change shifts: 0 Noisy events: 0 Unreadable intervals: 0 Duration: 0:00 0.00% Lead 1: Ischemic episodes: 7 Duration: 1:42:14 7.14% Rate-related episodes: 0 Duration: 0:00 0.00% Axis shifts: 5 Conduction-change shifts: 0 Noisy events: 0 Unreadable intervals: 0 Duration: 0:00 0.00% Total: Ischemic episodes: 14 Duration: 3:01:08 6.33% Rate-related episodes: 6 Duration: 12:16 0.43% Axis shifts: 18 Conduction-change shifts: 0 Noisy events: 0 Unreadable intervals: 0 Duration: 0:00 0.00% Combined: Ischemic episodes: 8 Duration: 1:43:42 7.24% Rate-related episodes: 6 Duration: 12:16 0.86% Unreadable intervals: 0 Duration: 0:00 0.00% Combined [ischemic or rate-related]: ST segment episodes: 14 Duration: 1:55:58 8.10% Unreadable intervals: 0 Duration: 0:00 0.00% C. Criteria of 60 seconds and 100 microVolts (s20431.stc) Lead 0: Ischemic episodes: 4 Duration: 1:02:32 4.37% 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: 6 Duration: 1:40:02 6.99% Rate-related episodes: 0 Duration: 0:00 0.00% Axis shifts: 5 Conduction-change shifts: 0 Noisy events: 0 Unreadable intervals: 0 Duration: 0:00 0.00% Total: Ischemic episodes: 10 Duration: 2:42:34 5.68% Rate-related episodes: 0 Duration: 0:00 0.00% Axis shifts: 18 Conduction-change shifts: 0 Noisy events: 0 Unreadable intervals: 0 Duration: 0:00 0.00% Combined: Ischemic episodes: 7 Duration: 1:42:18 7.15% 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: 7 Duration: 1:42:18 7.15% Unreadable intervals: 0 Duration: 0:00 0.00% QRS ATRUTH ANNOTATIONS (s20431.atr) Total number of beats 102423 Normal beats 102344 Premature ventricular contractions 33 Supraventricular premature or ectopic beats 46