HLSC 2P49 Lecture Notes - Lecture 10: Coronary Artery Disease, Angina Pectoris, Coronary Circulation

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A leading cause of death in canada. Fatty deposits (plaues0 build up on vessel walls. + plaque may break free and block; or roughen or damage vessels; platelets form cloth. Inflammation response imp. too (contribute to plaque buildupi + blockage) B(cid:895) ge(cid:374)de(cid:396) (cid:373)e(cid:374) (cid:373)o(cid:396)e (cid:448)ul(cid:374)e(cid:396)a(cid:271)le at (cid:455)ou(cid:374)ge(cid:396) age. E. g, france & japan lower why: france consumes wine and japan eats more fish. Diet (cid:396)ed (cid:449)i(cid:374)e (cid:894)(cid:396)es(cid:448)e(cid:396)at(cid:396)ol/pol(cid:455)phe(cid:374)ol(cid:895) & lo(cid:449)e(cid:396) or (cid:862)good(cid:863) fat (cid:1013)o(cid:373)ega-3 fatty acids): biological risk fa(cid:272)to(cid:396)s . A(cid:895) p(cid:396)o(cid:374)e(cid:374)ess to (cid:862)h(cid:455)pe(cid:396)te(cid:374)sio(cid:374)(cid:863) (cid:894)(cid:272)o(cid:374)siste(cid:374)t high bp(cid:895) High bp heart works harder than normal. E. g. , if (cid:1005) pa(cid:396)e(cid:374)t (cid:1008)(cid:1009)% (cid:272)ha(cid:374)(cid:272)e; (cid:1006) pa(cid:396)e(cid:374)ts (cid:1013)(cid:1009)% (cid:272)ha(cid:374)(cid:272)e of de(cid:448)elop. B) proneness to bad cholesterol profile (e. g. , high ldl & total; low hdl) Also (cid:396)e(cid:272)all ldl is (cid:862)bad(cid:863) (cid:272)holeste(cid:396)ol (cid:894) + hdl is (cid:862)good(cid:863)(cid:895) Ca(cid:374) (cid:373)easu(cid:396)e: total (cid:272)hol (cid:1006)(cid:1008)(cid:1009) mg (cid:448)s (cid:1005)(cid:1012)(cid:1004)mg/pe(cid:396) (cid:1005)(cid:1004)(cid:1004)(cid:373)l of (cid:271)lood (cid:1007). (cid:1008)(cid:454) (cid:396)isk! Large genetic component: lifestyle/ behavioural risk factors. So, cholesterol levels influenced by diet too.

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