Electrocardiographic changes during cholangiopancreatography: Control subjects

Thirty elderly age- and disease matched patients not receiving any premedication, served as controls. They were undergoing chest, abdomen, bone or upper gastrointestinal small bowel follow-up studies and they had 8 h of electrocardiographic monitoring covering the period before, during and after the examination. The clinical characteristics of the control subjects are shown in Table 2.

Statistical analysis

Absolute differences in the number of arrhythmias, heart rate and oxygen saturation were compared between the hour of the examination and the closest hour when monitoring findings were most reliable, using Wilcoxon’s paired t-test (statistical significance at P<0.05). Differences in the prevalence of arrhythmias and ST segment changes between baseline periods and the procedure were accessed by x2 test. Visit the best pharmacy that will make you very happy in terms of the services it offers and round the clock availability of cialis professional online *checkout now or any othertreatment you may need at any point.

TABLE 2 Clinical characteristics of 30 control subjects

Characteristics n (%)
Patients 30 (100)
Mean age (years) 73 (SD 1.5, range 70 – 80 yrs)
Men/Women 15 (50)/15 (50)
Radiological procedure
Chest 10 (34)
Plain abdomen 7 (23)
Bone 8 (27)
Barium swallow 5 (16)
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