SUMMARY NOTES IN THE RECORD s20561  (Duration: 23:37:00.000)

Starting time, recording date:  12:02:00 02/08/1999

Lead 0: V4
Lead 1: MLIII

Age: 79  Sex: M
Comments: 
  There are unreadable intervals between 6:31:16 and 9:45:42,
  and between 22:17:14 and 22:52:08.
Symptoms during Holter recording: No data
Diagnoses: 
  Coronary artery disease
  Atrial fibrillation
  Hypertension
Treatment:
  Medications: 
    Diltiazem
    Nitrates
    Heparin
  Balloon Angioplasty: No data
  Coronary Artery bypass Grafting: No data
History: 
  Effort and resting angina, chronic atrial fibrillation, previous myocardial infarction
  Hypertension: Yes
  Left ventricular hypertrophy: Septum 13 mm
  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: Yes, anterior
  Previous tests:
    ECG stress test: No
    Thallium/Stress echo: No data
    Left ventricular function: 
      Normal
    Echocardiogram: No data
    Coronary Arteriography: 
      Left anterior descending coronary artery 100% stenosis, right coronary artery 75% stenosis, left circumflex coronary artery 50% stenosis
    Baseline ECG: 
      Previous anterior myocardial infarction
Holter Recording:
  Date: 02/08/1999
  Recorder: Remco


ST ANNOTATIONS

A. Criteria of 30 seconds and  75 microVolts (s20561.sta)

Lead 0:
Ischemic episodes:           8   Duration:    2:59:22  12.66% 
Rate-related episodes:       0   Duration:       0:00   0.00% 
Axis shifts:                 0 
Conduction-change shifts:    0 
Noisy events:                0 
Unreadable intervals:        2   Duration:    3:49:20  16.18% 

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:        2   Duration:    3:49:20  16.18% 

Total:
Ischemic episodes:           8   Duration:    2:59:22   6.33%
Rate-related episodes:       0   Duration:       0:00   0.00%
Axis shifts:                 0 
Conduction-change shifts:    0 
Noisy events:                0 
Unreadable intervals:        4   Duration:    7:38:40  16.18%

Combined:
Ischemic episodes:           8   Duration:    2:59:22  12.66% 
Rate-related episodes:       0   Duration:       0:00   0.00%
Unreadable intervals:        2   Duration:    3:49:20  16.18%

Combined [ischemic or rate-related]:
ST segment episodes:         8   Duration:    2:59:22  12.66%
Unreadable intervals:        2   Duration:    3:49:20  16.18%

B. Criteria of 30 seconds and 100 microVolts (s20561.stb)

Lead 0:
Ischemic episodes:           5   Duration:    2:28:20  10.47% 
Rate-related episodes:       0   Duration:       0:00   0.00% 
Axis shifts:                 0 
Conduction-change shifts:    0 
Noisy events:                0 
Unreadable intervals:        2   Duration:    3:49:20  16.18% 

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:        2   Duration:    3:49:20  16.18% 

Total:
Ischemic episodes:           5   Duration:    2:28:20   5.23%
Rate-related episodes:       0   Duration:       0:00   0.00%
Axis shifts:                 0 
Conduction-change shifts:    0 
Noisy events:                0 
Unreadable intervals:        4   Duration:    7:38:40  16.18%

Combined:
Ischemic episodes:           5   Duration:    2:28:20  10.47% 
Rate-related episodes:       0   Duration:       0:00   0.00%
Unreadable intervals:        2   Duration:    3:49:20  16.18%

Combined [ischemic or rate-related]:
ST segment episodes:         5   Duration:    2:28:20  10.47%
Unreadable intervals:        2   Duration:    3:49:20  16.18%

C. Criteria of 60 seconds and 100 microVolts (s20561.stc)

Lead 0:
Ischemic episodes:           5   Duration:    2:28:20  10.47% 
Rate-related episodes:       0   Duration:       0:00   0.00% 
Axis shifts:                 0 
Conduction-change shifts:    0 
Noisy events:                0 
Unreadable intervals:        2   Duration:    3:49:20  16.18% 

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:        2   Duration:    3:49:20  16.18% 

Total:
Ischemic episodes:           5   Duration:    2:28:20   5.23%
Rate-related episodes:       0   Duration:       0:00   0.00%
Axis shifts:                 0 
Conduction-change shifts:    0 
Noisy events:                0 
Unreadable intervals:        4   Duration:    7:38:40  16.18%

Combined:
Ischemic episodes:           5   Duration:    2:28:20  10.47% 
Rate-related episodes:       0   Duration:       0:00   0.00%
Unreadable intervals:        2   Duration:    3:49:20  16.18%

Combined [ischemic or rate-related]:
ST segment episodes:         5   Duration:    2:28:20  10.47%
Unreadable intervals:        2   Duration:    3:49:20  16.18%


QRS ATRUTH ANNOTATIONS                   (s20561.atr)

Total number of beats                          100816

Normal beats                                   100744
Premature ventricular contractions                  3
Fusions of ventricular and normal beat              1
Ventricular escape beats                           68