Systolic and diastolic BP tend to increase with age in normal subjects. This increase and the range of accepted normal BP by age and gender are widely accepted. All of our subjects’ BPs fell within the established 95 percent confidence levels for their age. Because the subjects in the bimodal P-wave group were slightly younger […]
Their ECGs were normal by standard criteria, yet the P-waves were notched or biphasic in 22 subjects. These P-waves were morphologically and dimensionally normal, but when present, they predicted cardiac structural and functional differences among our normal adolescent subjects. Specifically, they were associated with higher measurements of systolic BP and LV mass than the subjects […]
As shown in Table 2, subjects with a normal, yet bimodal, P-wave in lead V, had higher two-hour averaged systolic BP (108 ± 12 mm Hg vs 99 ±7 mm Hg, p<0.01, respectively) and conventional sphygmomanometer systolic BP (110 ±11 mm Hg vs 103 ±10 mm Hg, p = 0.05, respectively). Compared with the unimodal […]
By standard criteria, all subjects had normal P-waves in ECG lead V,. P-wave duration was normal (<110 ms) in all subjects. No subject had ECG or echocardiographic evidence of left ventricular hypertrophy or left atrial abnormality. Twenty-two subjects had bimodal P-waves and 18 subjects had unimodal P-waves in lead V, as described above. buy antibiotics […]
Echocardiography M-mode and two-dimensional echocardiograms were recorded from standard views and measured according to the recommendations of the American Society of Echocardiography (ASE),H using a commercially available phased-array echocardiography (General Electric, Pass II, Milwaukee, WI).
Blood Pressure Conventional BP was measured by one observer with a mercury sphygmomanometer with a cuff of appropriate size for the right arm of each subject after 15 minutes in a seated position. Phase V of the Korotkoff sounds was used to indicate diastolic pressure. The BP values represent the average of two determinations made […]
Study Group We attempted to enroll an entire seventh grade class of a local school district (Artesia Bellflower Cerritos) in this study. Forty-seven normotensive adolescents were available and were examined with two-dimensional and M-mode echocardiography, and BP measurements were obtained by two-hour automated BP monitoring. Seven subjects were excluded because the P-wave in ECG lead […]
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