SUMMARY NOTES IN THE RECORD s20501 (Duration: 23:57:50.000) Starting time, recording date: 09:50:00 20/03/1999 Lead 0: V4 Lead 1: MLIII Age: 63 Sex: F Comments: This is a patient with hypertrophic cardiomyopathy. The QRS complexes are bizarre and the record contains a number of axis shifts but no rate-related or ischemic episodes. Symptoms during Holter recording: No data Diagnoses: Obstructive hypertrophic cardiomyopathy Treatment: Medications: Verapamil Balloon Angioplasty: No data Coronary Artery bypass Grafting: No data History: Effort and resting angina Hypertension: Yes Left ventricular hypertrophy: Septum 24 mm Cardiomyopathy: Hcm Valve disease: No Electrolyte abnormalities: No Hypercapnia, anemia, hypotension, hyperventilation: No Atrioventricular nodal conduction delay: No Intraventricular conduction block: yes Previous Myocardial Infarction: No Previous tests: ECG stress test: No Thallium/Stress echo: No data Left ventricular function: Normal Echocardiogram: No data Coronary Arteriography: Normal coronary tree Baseline ECG: Intraventricular conduction block Holter Recording: Date: 20/03/1999 Recorder: Remco ST ANNOTATIONS A. Criteria of 30 seconds and 75 microVolts (s20501.sta) Lead 0: Ischemic episodes: 0 Duration: 0:00 0.00% Rate-related episodes: 0 Duration: 0:00 0.00% Axis shifts: 112 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: 120 Conduction-change shifts: 0 Noisy events: 1 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: 232 Conduction-change shifts: 0 Noisy events: 1 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% B. Criteria of 30 seconds and 100 microVolts (s20501.stb) Lead 0: Ischemic episodes: 0 Duration: 0:00 0.00% Rate-related episodes: 0 Duration: 0:00 0.00% Axis shifts: 112 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: 120 Conduction-change shifts: 0 Noisy events: 1 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: 232 Conduction-change shifts: 0 Noisy events: 1 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% C. Criteria of 60 seconds and 100 microVolts (s20501.stc) Lead 0: Ischemic episodes: 0 Duration: 0:00 0.00% Rate-related episodes: 0 Duration: 0:00 0.00% Axis shifts: 112 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: 120 Conduction-change shifts: 0 Noisy events: 1 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: 232 Conduction-change shifts: 0 Noisy events: 1 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 (s20501.atr) Total number of beats 142725 Normal beats 128106 Premature ventricular contractions 502 Fusions of ventricular and normal beat 1 Supraventricular premature or ectopic beats 14116