SUMMARY NOTES IN THE RECORD s20621 (Duration: 23:25:00.000) Starting time, recording date: 09:44:00 20/03/2000 Lead 0: V4 Lead 1: MLIII Age: 31 Sex: F Comments: The record contains a number of ST depressions in association with increases in heart rate. They are rate-related and not ischemic changes. Some periods are unreadable. Symptoms during Holter recording: No data Diagnoses: Mitral valve prolapse Treatment: Medications: No Balloon Angioplasty: No data Coronary Artery bypass Grafting: No data History: Palpitations Hypertension: No Left ventricular hypertrophy: No Cardiomyopathy: No Valve disease: Mitral valve prolapse/regurgitation Electrolyte abnormalities: No Hypercapnia, anemia, hypotension, hyperventilation: No Atrioventricular nodal conduction delay: No Intraventricular conduction block: No Previous Myocardial Infarction: No Previous tests: ECG stress test: No Thallium/Stress echo: No Left ventricular function: Normal Echocardiogram: No data Coronary Arteriography: No Baseline ECG: Normal Holter Recording: Date: 20/03/2000 Recorder: Remco ST ANNOTATIONS A. Criteria of 30 seconds and 75 microVolts (s20621.sta) Lead 0: Ischemic episodes: 0 Duration: 0:00 0.00% Rate-related episodes: 19 Duration: 7:31:22 32.13% Axis shifts: 5 Conduction-change shifts: 0 Noisy events: 1 Unreadable intervals: 7 Duration: 40:08 2.86% Lead 1: Ischemic episodes: 0 Duration: 0:00 0.00% Rate-related episodes: 17 Duration: 7:26:12 31.76% Axis shifts: 1 Conduction-change shifts: 0 Noisy events: 0 Unreadable intervals: 7 Duration: 44:16 3.15% Total: Ischemic episodes: 0 Duration: 0:00 0.00% Rate-related episodes: 36 Duration: 14:57:34 31.94% Axis shifts: 6 Conduction-change shifts: 0 Noisy events: 1 Unreadable intervals: 14 Duration: 1:24:24 3.00% Combined: Ischemic episodes: 0 Duration: 0:00 0.00% Rate-related episodes: 15 Duration: 8:10:54 34.94% Unreadable intervals: 7 Duration: 44:16 3.15% Combined [ischemic or rate-related]: ST segment episodes: 15 Duration: 8:10:54 34.94% Unreadable intervals: 7 Duration: 44:16 3.15% B. Criteria of 30 seconds and 100 microVolts (s20621.stb) Lead 0: Ischemic episodes: 0 Duration: 0:00 0.00% Rate-related episodes: 13 Duration: 6:27:24 27.57% Axis shifts: 5 Conduction-change shifts: 0 Noisy events: 1 Unreadable intervals: 7 Duration: 40:08 2.86% Lead 1: Ischemic episodes: 0 Duration: 0:00 0.00% Rate-related episodes: 12 Duration: 5:49:10 24.85% Axis shifts: 1 Conduction-change shifts: 0 Noisy events: 0 Unreadable intervals: 7 Duration: 44:16 3.15% Total: Ischemic episodes: 0 Duration: 0:00 0.00% Rate-related episodes: 25 Duration: 12:16:34 26.21% Axis shifts: 6 Conduction-change shifts: 0 Noisy events: 1 Unreadable intervals: 14 Duration: 1:24:24 3.00% Combined: Ischemic episodes: 0 Duration: 0:00 0.00% Rate-related episodes: 13 Duration: 7:00:24 29.92% Unreadable intervals: 7 Duration: 44:16 3.15% Combined [ischemic or rate-related]: ST segment episodes: 13 Duration: 7:00:24 29.92% Unreadable intervals: 7 Duration: 44:16 3.15% C. Criteria of 60 seconds and 100 microVolts (s20621.stc) Lead 0: Ischemic episodes: 0 Duration: 0:00 0.00% Rate-related episodes: 10 Duration: 5:44:36 24.53% Axis shifts: 5 Conduction-change shifts: 0 Noisy events: 1 Unreadable intervals: 7 Duration: 40:08 2.86% Lead 1: Ischemic episodes: 0 Duration: 0:00 0.00% Rate-related episodes: 6 Duration: 4:12:36 17.98% Axis shifts: 1 Conduction-change shifts: 0 Noisy events: 0 Unreadable intervals: 7 Duration: 44:16 3.15% Total: Ischemic episodes: 0 Duration: 0:00 0.00% Rate-related episodes: 16 Duration: 9:57:12 21.25% Axis shifts: 6 Conduction-change shifts: 0 Noisy events: 1 Unreadable intervals: 14 Duration: 1:24:24 3.00% Combined: Ischemic episodes: 0 Duration: 0:00 0.00% Rate-related episodes: 10 Duration: 5:52:38 25.10% Unreadable intervals: 7 Duration: 44:16 3.15% Combined [ischemic or rate-related]: ST segment episodes: 10 Duration: 5:52:38 25.10% Unreadable intervals: 7 Duration: 44:16 3.15% QRS ATRUTH ANNOTATIONS (s20621.atr) Total number of beats 112369 Normal beats 110990 Premature ventricular contractions 1375 Atrial premature beats 3 Unclassifiable beats 1