SUMMARY NOTES IN THE RECORD s20451  (Duration: 23:42:31.988)

Starting time, recording date:  12:17:00 10/02/1992

Lead 0: 0
Lead 1: 1

Age: No data  Sex: No data
Comments: 
  Two major ischemic episodes are reflected on both
  leads.
  Lead 0:
    Note that the first major episode is split into two
    sub-episodes due to thresholds.
  Lead 1:
    This first episode was split into three subsets.
  Electrode locations were not recorded.
Symptoms during Holter recording: No data
Diagnoses: 
  Coronary artery disease
Treatment:
  Medications: No data
  Balloon Angioplasty: No data
  Coronary Artery bypass Grafting: No data
History: 
  Hypertension: No data
  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: No data
  Previous tests:
    ECG stress test: No data
    Thallium/Stress echo: No data
    Left ventricular function: No data
    Echocardiogram: No data
    Coronary Arteriography: No data
    Baseline ECG: No data
Holter Recording:
  Date: 10/02/1992
  Recorder: No data


ST ANNOTATIONS

A. Criteria of 30 seconds and  75 microVolts (s20451.sta)

Lead 0:
Ischemic episodes:           4   Duration:    1:27:42   6.17% 
Rate-related episodes:       0   Duration:       0:00   0.00% 
Axis shifts:                 4 
Conduction-change shifts:    0 
Noisy events:                0 
Unreadable intervals:        0   Duration:       0:00   0.00% 

Lead 1:
Ischemic episodes:           4   Duration:    1:15:54   5.34% 
Rate-related episodes:       0   Duration:       0:00   0.00% 
Axis shifts:                 0 
Conduction-change shifts:    0 
Noisy events:                0 
Unreadable intervals:        0   Duration:       0:00   0.00% 

Total:
Ischemic episodes:           8   Duration:    2:43:36   5.75%
Rate-related episodes:       0   Duration:       0:00   0.00%
Axis shifts:                 4 
Conduction-change shifts:    0 
Noisy events:                0 
Unreadable intervals:        0   Duration:       0:00   0.00%

Combined:
Ischemic episodes:           4   Duration:    1:27:48   6.17% 
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:         4   Duration:    1:27:48   6.17%
Unreadable intervals:        0   Duration:       0:00   0.00%

B. Criteria of 30 seconds and 100 microVolts (s20451.stb)

Lead 0:
Ischemic episodes:           3   Duration:    1:24:26   5.94% 
Rate-related episodes:       0   Duration:       0:00   0.00% 
Axis shifts:                 4 
Conduction-change shifts:    0 
Noisy events:                0 
Unreadable intervals:        0   Duration:       0:00   0.00% 

Lead 1:
Ischemic episodes:           4   Duration:    1:15:54   5.34% 
Rate-related episodes:       0   Duration:       0:00   0.00% 
Axis shifts:                 0 
Conduction-change shifts:    0 
Noisy events:                0 
Unreadable intervals:        0   Duration:       0:00   0.00% 

Total:
Ischemic episodes:           7   Duration:    2:40:20   5.64%
Rate-related episodes:       0   Duration:       0:00   0.00%
Axis shifts:                 4 
Conduction-change shifts:    0 
Noisy events:                0 
Unreadable intervals:        0   Duration:       0:00   0.00%

Combined:
Ischemic episodes:           3   Duration:    1:24:32   5.94% 
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:         3   Duration:    1:24:32   5.94%
Unreadable intervals:        0   Duration:       0:00   0.00%

C. Criteria of 60 seconds and 100 microVolts (s20451.stc)

Lead 0:
Ischemic episodes:           3   Duration:    1:24:26   5.94% 
Rate-related episodes:       0   Duration:       0:00   0.00% 
Axis shifts:                 4 
Conduction-change shifts:    0 
Noisy events:                0 
Unreadable intervals:        0   Duration:       0:00   0.00% 

Lead 1:
Ischemic episodes:           3   Duration:    1:09:34   4.89% 
Rate-related episodes:       0   Duration:       0:00   0.00% 
Axis shifts:                 0 
Conduction-change shifts:    0 
Noisy events:                0 
Unreadable intervals:        0   Duration:       0:00   0.00% 

Total:
Ischemic episodes:           6   Duration:    2:34:00   5.41%
Rate-related episodes:       0   Duration:       0:00   0.00%
Axis shifts:                 4 
Conduction-change shifts:    0 
Noisy events:                0 
Unreadable intervals:        0   Duration:       0:00   0.00%

Combined:
Ischemic episodes:           3   Duration:    1:24:32   5.94% 
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:         3   Duration:    1:24:32   5.94%
Unreadable intervals:        0   Duration:       0:00   0.00%


QRS ATRUTH ANNOTATIONS                   (s20451.atr)

Total number of beats                           88055

Normal beats                                    88006
Premature ventricular contractions                  3
Supraventricular premature or ectopic beats        46