Cardiovascular System My Achin Heart. I. Functions A. Circulate important materials – 1. oxygen...

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Transcript of Cardiovascular System My Achin Heart. I. Functions A. Circulate important materials – 1. oxygen...

  • Slide 1
  • Cardiovascular System My Achin Heart
  • Slide 2
  • I. Functions A. Circulate important materials 1. oxygen 2. wastes 3. endocrine hormones 4. glucose B. Help regulate body temperature C. Help control pH D. Combat pathogens
  • Slide 3
  • II. Terminology A. Artery B. Vein C. Atrium D. Ventricle E. Pulmonary circuit F. Systemic circuit G. Heart membranes
  • Slide 4
  • III. Gross Anatomy of Heart A. SVC & IVC B. Right atrium C. Tricuspid valve D. Right ventricle E. Pulmonary artery F. Pulmonary veins G. Left atrium H. Bicuspid valve I. Left ventricle J. Aortic arch
  • Slide 5
  • Labeled diagram of the heart
  • Slide 6
  • IV. Valves and one-way flow A. Atrioventricular valves 1. chordae tendonae 2. bicuspid 3. tricuspid B. Semilunar valves 1. Pulmonary semilunar 2. aortic semilunar
  • Slide 7
  • C. Valve problems 1. rheumatic fever -untreated strep infection -immune system attacts heart valve -becomes stiff and does not meet in the middle
  • Slide 8
  • 2. Prolapsed valve a. Normal valve b. Mitral valve normal culprit
  • Slide 9
  • 3. Valve stenosis a. Calcification b. regurgitation
  • Slide 10
  • VI. Coronary Circulation A. Heart muscle nutrition B. Coronary atreries C. Coronary veins
  • Slide 11
  • D. Coronary artery disease 1. Atherosclerosis 2. Stents 3. Bypass surgery 4. Infarct
  • Slide 12
  • VII. Excitation-Contraction Coupling A. Intrinsic conduction system of the heart. 1. SA Node 2. AV Node 3. Bundle of His 4. Bundle branch 5. Purkinje fibers
  • Slide 13
  • B. Cardiac cycle 1. systole 2. diastole
  • Slide 14
  • C. Heart Sounds 1.Door opening vs closing 2.Lub 3.Dup 4.Heart murmurs
  • Slide 15
  • D. ECG Tracing 1. P wave 2. QRS complex 3. T wave 4. Abnormalities
  • Slide 16
  • VIII. Cardiac output A. Cardiac output = stroke volume X heart rate B. Stroke volume 1. 60% 2. Starlings law of the heart 3. venous return C.Heart Rate 1. ANS control 2. Hormonal control