PAT 20A/B Lecture Notes - Lecture 10: Papillary Muscle, Liver Function Tests, Ventricular Septal Defect

• School: Ryerson University
• Department: Pathotherapeutics
• Course: PAT 20A/B
• Professor: Beth Swart

Document Summary

Heart failure (hf): (cid:862)a(cid:374) a(cid:271)(cid:374)o(cid:396)(cid:373)al (cid:272)li(cid:374)i(cid:272)al (cid:272)o(cid:374)ditio(cid:374) that des(cid:272)(cid:396)i(cid:271)es i(cid:373)pai(cid:396)ed (cid:272)a(cid:396)dia(cid:272) pu(cid:373)pi(cid:374)g (cid:396)esulti(cid:374)g i(cid:374) the (cid:272)ha(cid:396)a(cid:272)te(cid:396)isti(cid:272) pathoph(cid:455)siologi(cid:272)al (cid:272)ha(cid:374)ges of (cid:448)aso(cid:272)o(cid:374)st(cid:396)i(cid:272)tio(cid:374) a(cid:374)d fluid (cid:396)ete(cid:374)tio(cid:374)(cid:863) Systolic heart failure: (cid:862)the (cid:373)ost (cid:272)o(cid:373)(cid:373)o(cid:374) t(cid:455)pe of hea(cid:396)t failu(cid:396)e, it is (cid:272)aused (cid:271)(cid:455) a defe(cid:272)t i(cid:374) the a(cid:271)ilit(cid:455) of the (cid:448)e(cid:374)t(cid:396)i(cid:272)les to (cid:272)o(cid:374)t(cid:396)a(cid:272)t (cid:894)pu(cid:373)p(cid:895), i(cid:374)(cid:272)(cid:396)eased afte(cid:396)load, o(cid:396) (cid:373)e(cid:272)ha(cid:374)i(cid:272)al a(cid:271)(cid:374)o(cid:396)(cid:373)alities(cid:863) Diastolic heart failure: (cid:862)ofte(cid:374) (cid:396)efe(cid:396)(cid:396)ed to as hea(cid:396)t failu(cid:396)e with preserved systolic function, it is an impaired ability of the ventricles to fill during diastole(cid:863: explain the changes to normal cardiac physiology that occur with heart failure (hf) Heart failure is associated with numerous types of cardiovascular disease, particularly longstanding hypertension (htn), coronary artery disease (cad), and myocardial infarction (mi). Hf is characterized by ventricular dysfunction, reduced exercise tolerance, diminished quality of life, and shortened life expectancy. Hf may be caused by any interference with the normal mechanisms regulating cardiac output (co).