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Lungs Anatomy - ✔✔Base - top
Apex - bottom
Landmarks - ✔✔Location of heart depends on the person
Anterior thoracic cage - ✔✔
Heart failure patient - ✔✔sounds may be wider and lower
Heart - ✔✔Atrium - holds blood
Ventricle - pumping blood
Heart valves - ✔✔AV - tricuspid & mitral - prevents backflow
Semilunar - pulmonic- right and aortic - left side
Heart vessels - ✔✔- Superior vena cava
- Inferior vena cava
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,- return unoxygenated blood
- pulmonary artery
- carries oxygenated blood to lungs
- pulmonary veins
- returns oxygenated blood
- aorta
- carries blood to body
Cardiac Cycle - ✔✔- one complete cycle of contraction and relaxaion
- 60-100 bpm
- .8 sec/cycle
- 2 phases
- systole - contraction
- diastole - relaxation
Automaticity - ✔✔Heart stimulates and contracts itself
SA node - ✔✔electrical charge that stimulates contractions originates here; pacemaker.
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, Heart pumping - ✔✔pumps 5/6 L/minute
CO= SV x Rate
CO = amount of blood pumped by ventricles
SV= stroke volume; volume of blood in systole
Rate = # beats per min
Dyspnea - ✔✔difficulty breathing ie shortness of breathe
Paroxysmal nocturnal dyspnea - ✔✔Waking up in the middle of night and having to sit
up to catch breathe
this is sign of heart disease & heart failure
Palpitations - ✔✔Fluttering within chest
Cough - ✔✔Fluid related to congestive heart failure
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