SUMMARY NOTES IN THE RECORD s20491  (Duration: 23:28:00.000)

Starting time, recording date:  13:00:00 08/02/1999

Lead 0: V4
Lead 1: MLIII

Age: 70  Sex: M
Comments: 
  There are several ST depression ischemic episodes,
  usually associated with increases in heart rate. The
  ST episodes are seen in lead 0 but not in lead 1.
Symptoms during Holter recording: No data
Diagnoses: 
  Coronary artery disease
Treatment:
  Medications: 
    Verapamil
    Nitrates
    Beta-blocker
    Aspirin
  Balloon Angioplasty: No data
  Coronary Artery bypass Grafting: Yes
History: 
  Effort and resting angina
  Hypertension: No data
  Left ventricular hypertrophy: Septum 13 mm
  Cardiomyopathy: No
  Valve disease: No
  Electrolyte abnormalities: No
  Hypercapnia, anemia, hypotension, hyperventilation: No data
  Atrioventricular nodal conduction delay: No
  Intraventricular conduction block: No
  Previous Myocardial Infarction: No
  Previous tests:
    ECG stress test: No
    Thallium/Stress echo: 
      Positive
    Left ventricular function: 
      Normal
    Echocardiogram: No data
    Coronary Arteriography: 
      Previous coronary artery bypass grafting
    Baseline ECG: 
      ST depression 0.1mv V4-V6
Holter Recording:
  Date: 08/02/1999
  Recorder: Remco


ST ANNOTATIONS

A. Criteria of 30 seconds and  75 microVolts (s20491.sta)

Lead 0:
Ischemic episodes:           6   Duration:    1:10:30   5.01% 
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% 

Lead 1:
Ischemic episodes:           1   Duration:       6:42   0.48% 
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:    1:17:12   2.74%
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%

Combined:
Ischemic episodes:           6   Duration:    1:10:54   5.04% 
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:         6   Duration:    1:10:54   5.04%
Unreadable intervals:        0   Duration:       0:00   0.00%

B. Criteria of 30 seconds and 100 microVolts (s20491.stb)

Lead 0:
Ischemic episodes:           4   Duration:    1:03:30   4.51% 
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% 

Lead 1:
Ischemic episodes:           0   Duration:       0:00   0.00% 
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:           4   Duration:    1:03:30   2.25%
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%

Combined:
Ischemic episodes:           4   Duration:    1:03:30   4.51% 
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:    1:03:30   4.51%
Unreadable intervals:        0   Duration:       0:00   0.00%

C. Criteria of 60 seconds and 100 microVolts (s20491.stc)

Lead 0:
Ischemic episodes:           2   Duration:      45:06   3.20% 
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% 

Lead 1:
Ischemic episodes:           0   Duration:       0:00   0.00% 
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:           2   Duration:      45:06   1.60%
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%

Combined:
Ischemic episodes:           2   Duration:      45:06   3.20% 
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:         2   Duration:      45:06   3.20%
Unreadable intervals:        0   Duration:       0:00   0.00%


QRS ATRUTH ANNOTATIONS                   (s20491.atr)

Total number of beats                           96951

Normal beats                                    96128
Aberrated atrial premature beats                    1
Premature ventricular contractions                775
Supraventricular premature or ectopic beats        47