These pressures are central
Answers
Answer:
Central blood pressure (BP) has been shown to predict cardiovascular disease clinical outcomes better than brachial BP in studies that demonstrate expected pulse pressure (PP) amplification. The likely underlying mechanism for this observation is a closer relation of central BP to preclinical cardiac and vascular disease because of its more accurate representation of loading conditions on the heart and coronary and cerebral vessels. Over the past 2 decades, proof of concept for this hypothesis has been provided by many cross-sectional analyses. Furthermore, several longitudinal studies in hypertensive patients have provided preliminary evidence to suggest that changes in central BP by pharmacological therapy are more important than decreases in brachial BP in altering cardiac and vascular hypertrophy associated with hypertension. This review will describe studies that have compared central and peripheral BP to intermediate cardiovascular phenotypes (target organ damage).
Answer:
Pulse pressure is the difference between systolic and diastolic blood pressure. It is measured in millimeters of mercury (mmHg). It represents the force that the heart generates each time it contracts. Resting blood pressure is normally approximately 120/80 mmHg, which yields a pulse pressure of approximately 40 mmHg
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