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to address high blood pressure amongst Black African and Caribbean people using a shared decision-making tool. Funded by the Burdett Trust for Nurses Understanding Blood Pressure Michaela Nuttall RGN MSc Founder,Learn With Nurses Director, Smart Health Solutions Clinical Advisor for CVD Prevention, Public Health England Associate in Nursing, C3 Collaborating for Health Chair, Health Care Committee HEART UK Member, Nurses Working Party and Guidelines & Information Working Party, British and Irish Hypertension Society Trustee, PoTS UK @ thisismichaelaUsing Medall.orgWhy? • Ethnicity is a significant risk factor when it comes to cardiovascular disease. • High blood pressure disproportionately affects black people of African or Caribbean descent. • Higher incidence of stroke and end stage renal failure. • Less likely to come forward for routine screening and health checks, and men in particular. • less likely to have high blood pressure controlled than. • COVID-19 has made this situation worse – when it was not great in the first place.Understanding blood pressureWhy high blood pressure matters 6The Circulatory SystemWhat is Blood Pressure? Arteries Arterioles (Cardiac output) (Blood (Peripheral pressure) resistance)• Systolic (the top number) • Diastolic (the bottom number) 120/70mmHgAfterload??? …is the pressure that the heart must work against to eject blood during systole (ventricular contraction)We weren’t designed to live this long….How is BP maintained…. (making it easy peasy)Baroreceptors • Help the body to adjust to being upright • Keeping us functioning • Stops gravity from pulling fluid into our legs • Keeps us consciousAutonomic nervous system Copyright ©2001 BMJ Publishing Group Ltd.Autonomic nervous system Copyright ©2001 BMJ Publishing Group Ltd.Autonomic nervous system Increase cardiac output CO =Stroke volume x Heart rate Copyright ©2001 BMJ Publishing Group Ltd.Autonomic nervous system Copyright ©2001 BMJ Publishing Group Ltd.Autonomic nervous system Produce Aldosterone. Hormone helps to maintain the body’s salt and water levels Copyright ©2001 BMJ Publishing Group Ltd. Autonomic nervous system Produce renin Copyright ©2001 BMJ Publishing Group Ltd.Autonomic nervous system Copyright ©2001 BMJ Publishing Group Ltd. Autonomic nervous system Produce renin Copyright ©2001 BMJ Publishing Group Ltd. Autonomic nervous system Produce renin Copyright ©2001 BMJ Publishing Group Ltd.Autonomic nervous system Copyright ©2001 BMJ Publishing Group Ltd. Autonomic nervous system Produce renin Copyright ©2001 BMJ Publishing Group Ltd.http://high-blood-pressure-symptoms.com/page/2 Autonomic nervous system Produce renin Copyright ©2001 BMJ Publishing Group Ltd. Autonomic nervous system Produce renin Copyright ©2001 BMJ Publishing Group Ltd. Autonomic nervous system Produce renin Copyright ©2001 BMJ Publishing Group Ltd. Autonomic nervous system Produce renin Copyright ©2001 BMJ Publishing Group Ltd.In summary • Understanding blood pressure important • Just one part of the journey • Join us for more sessions
