Long Term ST Database 1.0.0

File: <base>/notes/s20471.nts (5,490 bytes)

SUMMARY NOTES IN THE RECORD s20471  (Duration: 25:27:10.000)

Starting time, recording date:  17:32:00 06/04/1993

Lead 0: V4
Lead 1: MLIII

Age: 56  Sex: M
Comments:
  At 14:51:42 and 14:54:32, heart rate related changes manifested
  by slight ST depression in lead 0 and T-wave inversions in lead 1.
  There was a single ischemic episode that occured in both leads.
Symptoms during Holter recording: No data
Diagnoses: 
  Prinzmetal's angina
  Hypertension
Treatment:
  Medications: No
  Balloon Angioplasty: No data
  Coronary Artery bypass Grafting: No data
History: 
  Smoker, family history of coronary artery disease, hypercholesterolemia, hypertension
  Hypertension: Yes
  Left ventricular hypertrophy: No
  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: No
  Previous tests:
    ECG stress test: No data 
    Thallium/Stress echo: No data
    Left ventricular function: 
      Normal
    Echocardiogram: No data
    Coronary Arteriography: 
      Normal
    Baseline ECG: 
      Normal
Holter Recording:
  Date: 06/04/1993
  Recorder: Remco


ST ANNOTATIONS

A. Criteria of 30 seconds and  75 microVolts (s20471.sta)

Lead 0:
Ischemic episodes:           1   Duration:       1:06   0.07% 
Rate-related episodes:       2   Duration:      33:14   2.18% 
Axis shifts:                 9 
Conduction-change shifts:    0 
Noisy events:                0 
Unreadable intervals:        0   Duration:       0:00   0.00% 

Lead 1:
Ischemic episodes:           1   Duration:       1:10   0.08% 
Rate-related episodes:       2   Duration:       9:36   0.63% 
Axis shifts:                 6 
Conduction-change shifts:    0 
Noisy events:                0 
Unreadable intervals:        0   Duration:       0:00   0.00% 

Total:
Ischemic episodes:           2   Duration:       2:16   0.07%
Rate-related episodes:       4   Duration:      42:50   1.40%
Axis shifts:                15 
Conduction-change shifts:    0 
Noisy events:                0 
Unreadable intervals:        0   Duration:       0:00   0.00%

Combined:
Ischemic episodes:           1   Duration:       1:10   0.08% 
Rate-related episodes:       1   Duration:      33:52   2.22%
Unreadable intervals:        0   Duration:       0:00   0.00%

Combined [ischemic or rate-related]:
ST segment episodes:         2   Duration:      35:02   2.29%
Unreadable intervals:        0   Duration:       0:00   0.00%

B. Criteria of 30 seconds and 100 microVolts (s20471.stb)

Lead 0:
Ischemic episodes:           0   Duration:       0:00   0.00% 
Rate-related episodes:       0   Duration:       0:00   0.00% 
Axis shifts:                 9 
Conduction-change shifts:    0 
Noisy events:                0 
Unreadable intervals:        0   Duration:       0:00   0.00% 

Lead 1:
Ischemic episodes:           1   Duration:       1:10   0.08% 
Rate-related episodes:       0   Duration:       0:00   0.00% 
Axis shifts:                 6 
Conduction-change shifts:    0 
Noisy events:                0 
Unreadable intervals:        0   Duration:       0:00   0.00% 

Total:
Ischemic episodes:           1   Duration:       1:10   0.04%
Rate-related episodes:       0   Duration:       0:00   0.00%
Axis shifts:                15 
Conduction-change shifts:    0 
Noisy events:                0 
Unreadable intervals:        0   Duration:       0:00   0.00%

Combined:
Ischemic episodes:           1   Duration:       1:10   0.08% 
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:         1   Duration:       1:10   0.08%
Unreadable intervals:        0   Duration:       0:00   0.00%

C. Criteria of 60 seconds and 100 microVolts (s20471.stc)

Lead 0:
Ischemic episodes:           0   Duration:       0:00   0.00% 
Rate-related episodes:       0   Duration:       0:00   0.00% 
Axis shifts:                 9 
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:                 6 
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:       0   Duration:       0:00   0.00%
Axis shifts:                15 
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:       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                   (s20471.atr)

Total number of beats                          115303

Normal beats                                   115231
Premature ventricular contractions                 61
Fusions of ventricular and normal beat              1
Supraventricular premature or ectopic beats        10