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4 03 cardiovascular_disease


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  • 1. STROKE4.03 Cardiovascular Diseases
  • 2. WHAT IS A STROKE?Stroke is a cardiovascular disease thatoccurs when there is an interruption ofblood flow to the brain. This is usuallycaused by a blood clot in an artery orwhen a blood vessel is ruptured. Whenthat happens, brain cells begin to die andbrain damage can occur. Mason 4.03
  • 3. HEMORRHAGIC STROKEHemorrhagic strokesare caused byuncontrolled highblood pressure, ahead injury, oraneurysms. Mason 4.03
  • 4. ANEURYSMSAneurysms are abnormalblood-filled pouches thatballoon from weak spots.Hypertension or smokingmay contribute to theformation of aneurysms. Mason 4.03
  • 5. ISCHEMIC STROKEIschemic strokes arecaused by a thrombus(blood clot that formsin the brain) orembolus (clot thatforms somewhere inthe body and travels tothe brain. Mason 4.03
  • 6. WARNING SIGNS• numbness or weakness of face, arm, or leg, especially on one side of the body• confusion, or trouble talking or understanding speech• trouble seeing in one or both eyes• trouble walking, dizziness, or loss of balance or coordination• severe headache with no known cause Mason 4.03
  • 7. TREATABLE RISK FACTORS• High blood pressure• Cigarette smoking• High cholesterol• Diabetes• Being overweight or obese• Physical inactivity Mason 4.03
  • 8. TREATABLE RISK FACTORS• Obstructive sleep apnea• Cardiovascular disease, including heart failure, heart defects, heart infection or abnormal heart rhythm• Use of some birth control pills or hormone therapies that include estrogen• Heavy or binge drinking• Use of drugs such as cocaine and methamphetamines Mason 4.03
  • 9. OTHER RISK FACTORS• The risk of stroke most often occurs between the ages of 55 and 85• Men have a higher risk of stroke than women• Women have a higher chance of death from stroke than men• African-Americans have higher risk of stroke than people of other races• Family history of strokes Mason 4.03
  • 10. PREVENTING A STROKE• See a doctor about any of the treatable risk factors mentioned on slides 7 and 8• Work on controlling high-risk behaviors such as smoking, heavy drinking, drugs, or physical inactivity• If you have stroke once but recover, quickly seek medical help - a second stroke is likely to happen but worse Mason 4.03
  • 11. TREATMENT FOR STROKESTreatment for a stroke should take place in ahospital initially. The faster you are treated thebetter, to prevent permanent damage ordeath. Treatment will be different dependingon whether you’ve had an ischemic orhemorrhagic stroke. The doctor will use a CTscan or MRI of your head to diagnose the typeof stroke. Mason 4.03
  • 12. TREATMENT FOR STROKES• Ischemic Stroke: – Treatment focuses on restoring blood flow – A medicine called tissue plasminogen activator can break up blood clots – May also receive aspirin or another antiplatelet medicine. Mason 4.03
  • 13. TREATMENT FOR STROKES• Hemorrhagic Stroke: – Treatment focuses on controlling bleeding – If the bleeding is due to a ruptured brain aneurysm, surgery may be done – Medicines may be given to control blood pressure, brain swelling, blood sugar levels, fever, and seizures – Surgery may be needed to remove blood that has built up inside the brain and to lower pressure inside the head Mason 4.03
  • 14. SUMMARY OF A STROKE QuickTime™ and a decompressor are needed to see this picture. Mason 4.03
  • 15. (2005). Retrieved from treatment-care(n.d.). Rosland | lab. [0]. Retrieved from page=about-stroke-geneticsImages: Heart and Stroke Foundation of CanadaVideo: Nucleus Medical Media Mason 4.03