SUMMARY NOTES IN THE RECORD s20471 (Duration: 25:27:10.000) Starting time, recording date: 17:32:00 06/04/1993 Lead 0: V4 Lead 1: MLIII Age: 56 Sex: M Comments: At 14:51:42 and 14:54:32, heart rate related changes manifested by slight ST depression in lead 0 and T-wave inversions in lead 1. There was a single ischemic episode that occured in both leads. Symptoms during Holter recording: No data Diagnoses: Prinzmetal's angina Hypertension Treatment: Medications: No Balloon Angioplasty: No data Coronary Artery bypass Grafting: No data History: Smoker, family history of coronary artery disease, hypercholesterolemia, hypertension Hypertension: Yes Left ventricular hypertrophy: No Cardiomyopathy: No Valve disease: No 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 data Thallium/Stress echo: No data Left ventricular function: Normal Echocardiogram: No data Coronary Arteriography: Normal Baseline ECG: Normal Holter Recording: Date: 06/04/1993 Recorder: Remco ST ANNOTATIONS A. Criteria of 30 seconds and 75 microVolts (s20471.sta) Lead 0: Ischemic episodes: 1 Duration: 1:06 0.07% Rate-related episodes: 2 Duration: 33:14 2.18% Axis shifts: 9 Conduction-change shifts: 0 Noisy events: 0 Unreadable intervals: 0 Duration: 0:00 0.00% Lead 1: Ischemic episodes: 1 Duration: 1:10 0.08% Rate-related episodes: 2 Duration: 9:36 0.63% Axis shifts: 6 Conduction-change shifts: 0 Noisy events: 0 Unreadable intervals: 0 Duration: 0:00 0.00% Total: Ischemic episodes: 2 Duration: 2:16 0.07% Rate-related episodes: 4 Duration: 42:50 1.40% Axis shifts: 15 Conduction-change shifts: 0 Noisy events: 0 Unreadable intervals: 0 Duration: 0:00 0.00% Combined: Ischemic episodes: 1 Duration: 1:10 0.08% Rate-related episodes: 1 Duration: 33:52 2.22% Unreadable intervals: 0 Duration: 0:00 0.00% Combined [ischemic or rate-related]: ST segment episodes: 2 Duration: 35:02 2.29% Unreadable intervals: 0 Duration: 0:00 0.00% B. Criteria of 30 seconds and 100 microVolts (s20471.stb) Lead 0: Ischemic episodes: 0 Duration: 0:00 0.00% Rate-related episodes: 0 Duration: 0:00 0.00% Axis shifts: 9 Conduction-change shifts: 0 Noisy events: 0 Unreadable intervals: 0 Duration: 0:00 0.00% Lead 1: Ischemic episodes: 1 Duration: 1:10 0.08% Rate-related episodes: 0 Duration: 0:00 0.00% Axis shifts: 6 Conduction-change shifts: 0 Noisy events: 0 Unreadable intervals: 0 Duration: 0:00 0.00% Total: Ischemic episodes: 1 Duration: 1:10 0.04% Rate-related episodes: 0 Duration: 0:00 0.00% Axis shifts: 15 Conduction-change shifts: 0 Noisy events: 0 Unreadable intervals: 0 Duration: 0:00 0.00% Combined: Ischemic episodes: 1 Duration: 1:10 0.08% 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: 1 Duration: 1:10 0.08% Unreadable intervals: 0 Duration: 0:00 0.00% C. Criteria of 60 seconds and 100 microVolts (s20471.stc) Lead 0: Ischemic episodes: 0 Duration: 0:00 0.00% Rate-related episodes: 0 Duration: 0:00 0.00% Axis shifts: 9 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: 6 Conduction-change shifts: 0 Noisy events: 0 Unreadable intervals: 0 Duration: 0:00 0.00% Total: Ischemic episodes: 0 Duration: 0:00 0.00% Rate-related episodes: 0 Duration: 0:00 0.00% Axis shifts: 15 Conduction-change shifts: 0 Noisy events: 0 Unreadable intervals: 0 Duration: 0:00 0.00% Combined: Ischemic episodes: 0 Duration: 0:00 0.00% 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: 0 Duration: 0:00 0.00% Unreadable intervals: 0 Duration: 0:00 0.00% QRS ATRUTH ANNOTATIONS (s20471.atr) Total number of beats 115303 Normal beats 115231 Premature ventricular contractions 61 Fusions of ventricular and normal beat 1 Supraventricular premature or ectopic beats 10