Agilent Technologies EXG Guide de l'utilisateur Page 72

  • Télécharger
  • Ajouter à mon manuel
  • Imprimer
  • Page
    / 195
  • Table des matières
  • DEPANNAGE
  • MARQUE LIVRES
  • Noté. / 5. Basé sur avis des utilisateurs
Vue de la page 71
Understanding the Extended Measurements Report
PageWriter 200/300pi M1771A/1770A Cardiograph 3-13
3
An Ashman unit is the area of 1 square millimeter at normal speed (25 mm/
sec) and normal sensitivity (10 mm/mV). An Ashman unit equals 40 ms x 0.1
mV.
QUALITY N/A Each character indicates a type of noise present in
the lead:
D - Baseline wander indicator. The onsets of two
successive QRS complexes differ by more than 1/
3 the calibration value.
T - Artifact, most likely muscle tremor. Occurs
when more than 16 up-and-down strokes exceed-
ing 1 mm in amplitude are detected within 1 sec-
ond.
W -Steady baseline drift exceeding 10 mm/sec.
A -Power line (AC) noise.
M -Missing lead.
NOISE N/A Indicates the severity of artifact reflected in the
signal data:
blank = Light noise
1 = Moderate noise
2 = Marked noise
3 = Severe noise
Table 3-1: Individual Lead Measurements (Continued)
Parameter
Units or
Va lue
Description
Vue de la page 71
1 2 ... 67 68 69 70 71 72 73 74 75 76 77 ... 194 195

Commentaires sur ces manuels

Pas de commentaire