The incredible pump
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The incredible pump Presentation Transcript

  • 1. The Incredible Pump Your Heart Anatomy
  • 2. Terms• Artery• Atria• Diastole• Systole• Automatism• Capillary• Electrical conduction• Vein• EKG/ECG• Intercostal space ( ICS)• Leads• Ventricles
  • 3. The heart• Hollow muscle• Size of your fist• Beats – 100,000 x/day – 2000 gallons of blood• Location: – diagonally in mediastinum – B/T lungs• Base: top of heart 2nd rib• Apex bottom of heart at diaphragm• PMI (point of maximal impulse) 5th ICS-mid-clavicular
  • 4. Heart Anatomy• Layers: – pericardium – myocardium – endocardium• Septum- divides heart into Right and Left• 4 chambers: – R atrium – L atrium – R ventricle – L ventricle
  • 5. Layers of the heartpericardium myocardium
  • 6. Endocardium View of all layers
  • 7. Chambers of the heart
  • 8. Valves of the Heart• AV (atrio-ventricular ) 1. Tricuspid: b/t RA and RV 2. Mitral ( bicuspid)- b/t LA and LV• Semilunar valves: 1. pulmonic: RV and lungs 2. aortic- LV and aorta
  • 9. Function of the Heart• Pump 02 from left side to organs & tissues• Pump deoxygenated blood from right side to lungs• Diastole: ventricles resting/ filling with blood• Systole: ventricles pumping blood to body• Record: s/d
  • 10. Vascular System• Arteries – carry blood away from heart – carry oxygenated blood except pulmonary artery• Veins – carry blood to heart – carry deoxygenated blood except pulmonary vein• Capillaries – network of small vessels where 02 and CO 2 are exchanged
  • 11. Blood FlowSuperior Vena CavaInferior Vena Cava → Blue ↓Right atrium → Blue ↓Tricuspid Valve → Blue ↓Right Ventricle → Blue ↓Pulmonary Valve→ Blue ↓Pulmonary Artery → Blue ↓
  • 12. Lungs→ Red ↓Pulmonary Vein → Red ↓Left atrium → Red ↓Mitral (Bicuspid) Valve → Red ↓Left Ventricle → Red ↓Aortic Valve → Red ↓Aorta → Red ↓Body