SUMMARY NOTES IN THE RECORD s20521  (Duration: 18:47:00.000)

Starting time, recording date:  12:25:00 22/04/1998

Lead 0: V4
Lead 1: MLIII

Age: 45  Sex: M
Comments: 
  Hypertrophic cardiomyopathy in a patient with normal
  coronary arteries. There is baseline ST depression that
  is down-sloping. There are rate-related episodes of
  increased ST depression associated with increased HR,
  as seen at 3:20:26, for example. These episodes may be
  considered either ischemic or rate-related without
  penalty if using this record for algorithm evaluation.
Symptoms during Holter recording: No data
Diagnoses: 
  Non obstructive hypertrophic cardiomyopathy
Treatment:
  Medications: No
  Balloon Angioplasty: No data
  Coronary Artery bypass Grafting: No data
History: 
  Palpitations
  Hypertension: No data
  Left ventricular hypertrophy: Septum 19 mm
  Cardiomyopathy: Yes
  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
    Thallium/Stress echo: Yes
      Positive
    Left ventricular function: 
      Normal
    Echocardiogram: No data
    Coronary Arteriography: 
      Normal coronary tree
    Baseline ECG: 
      Slight ST depression in leads II, III, avF, V6
Holter Recording:
  Date: 22/04/1998
  Recorder: Remco


ST ANNOTATIONS

A. Criteria of 30 seconds and  75 microVolts (s20521.sta)

Lead 0:
Ischemic episodes:           0   Duration:       0:00   0.00% 
Rate-related episodes:       8   Duration:    1:03:00   5.59% 
Axis shifts:                12 
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:       1   Duration:       1:44   0.15% 
Axis shifts:                 2 
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:       9   Duration:    1:04:44   2.87%
Axis shifts:                14 
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:       9   Duration:    1:04:44   5.74%
Unreadable intervals:        0   Duration:       0:00   0.00%

Combined [ischemic or rate-related]:
ST segment episodes:         9   Duration:    1:04:44   5.74%
Unreadable intervals:        0   Duration:       0:00   0.00%

B. Criteria of 30 seconds and 100 microVolts (s20521.stb)

Lead 0:
Ischemic episodes:           0   Duration:       0:00   0.00% 
Rate-related episodes:       4   Duration:      47:30   4.21% 
Axis shifts:                12 
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:                 2 
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:       4   Duration:      47:30   2.11%
Axis shifts:                14 
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:       4   Duration:      47:30   4.21%
Unreadable intervals:        0   Duration:       0:00   0.00%

Combined [ischemic or rate-related]:
ST segment episodes:         4   Duration:      47:30   4.21%
Unreadable intervals:        0   Duration:       0:00   0.00%

C. Criteria of 60 seconds and 100 microVolts (s20521.stc)

Lead 0:
Ischemic episodes:           0   Duration:       0:00   0.00% 
Rate-related episodes:       2   Duration:      44:18   3.93% 
Axis shifts:                12 
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:                 2 
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:       2   Duration:      44:18   1.97%
Axis shifts:                14 
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:       2   Duration:      44:18   3.93%
Unreadable intervals:        0   Duration:       0:00   0.00%

Combined [ischemic or rate-related]:
ST segment episodes:         2   Duration:      44:18   3.93%
Unreadable intervals:        0   Duration:       0:00   0.00%


QRS ATRUTH ANNOTATIONS                   (s20521.atr)

Total number of beats                           75336

Normal beats                                    75317
Premature ventricular contractions                 13
Atrial premature beats                              5
Atrial escape beats                                 1