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Transient Ischemic Attack

WHAT YOU SHOULD KNOW

A transient (TRANS-e-ant) ischemic (is-SKI-mik) attack, called a TIA for short, is often a warning signal of an impending stroke. Pieces of fat or blood clots can block an artery leading to the brain. When this happens, a part of the brain does not get enough oxygen and the symptoms of a TIA appear. With a TIA, the artery is only blocked a short time. With a stroke, the blockage lasts much longer, causing brain damage.

Causes

High blood pressure, diabetes, excess weight, high amounts of fat in the blood (cholesterol), and smoking.

Signs/Symptoms

Appear suddenly, last less than 24 hours, and go away completely. Typical signs include seeing double, loss of vision, fainting or dizziness, a weak or numb feeling on one side of the face or body, or trouble swallowing or speaking.

Hospital Care

May include medicines that thin the blood or lower blood pressure. You may need surgery to remove a blockage from the artery.

Do's/Don'ts

To keep from having more TIAs, you may need to take aspirin every day; quit smoking; eat foods low in fat, cholesterol, and salt; lose weight; and start exercising. If you have other illnesses (diabetes, high blood pressure, or heart disease), it is important to keep them under control.

Risks

If you aren't treated, you will have more attacks and maybe a stroke. Most TIAs are caused by other diseases. If these diseases are not found and treated, you could have a stroke, heart attack, or other serious problems.

WHAT YOU SHOULD DO

  • Always take your medicine as directed by your doctor. If you feel it is not helping, call your doctor, but do not quit taking it on your own.
  • If you take aspirin regularly, continue taking it. Aspirin helps thin the blood so blood clots don't form. Do not take acetaminophen or ibuprofen instead.
  • Have your blood pressure checked. You may want to buy a blood pressure cuff. Ask your doctor to show you or a family member how to use it.
  • If you have other illnesses such as diabetes, high blood pressure, or heart disease, you need to control them. Take medicines as directed. If you don't, you will have a greater chance of having another attack.
  • Check with your doctor before starting exercise or having sex.
  • Exercise daily. It helps make the heart stronger, lowers blood pressure, and keeps you healthy. If the exercise is too hard or too easy, call your doctor.
  • Quit smoking. It harms the heart and lungs. If you are having trouble quitting, ask your doctor for help.
  • Weighing too much can make the heart work harder. If you need to lose weight, ask your doctor about the best way of doing it.
  • A diet low in fat, salt, and cholesterol is very important. It keeps your heart healthy and strong. Ask your doctor what you should and should not eat.

Call Your Doctor If...

  • You have chest pain during exercise that doesn't go away with rest.
  • Your blood pressure is high.
  • You feel worse after taking your medicine.
  • You feel your medicine is not working.
  • You are on a blood thinner and you are bruising easily or have blood in your urine.

Seek Care Immediately If...

  • You cannot speak, move part of your body, or see; if you have blurred vision, or if you become dizzy, confused, or unconscious. These are signs of a stroke. THIS IS AN EMERGENCY. Call 911 or 0 (operator) to get to the nearest hospital or clinic. Do not drive yourself!
  • You have the above symptoms but they go away. You may be having a TIA. Call 911 or 0 (operator) to get to the nearest hospital or clinic. Do not drive yourself!

IF YOU'RE HEADING FOR THE HOSPITAL...

What to Expect While You're There

You may encounter the following procedures and equipment during your stay.
  • Taking Vital Signs: These include your temperature, blood pressure, pulse (counting your heartbeats), and respirations (counting your breaths). A stethoscope is used to listen to your heart and lungs. Your blood pressure is taken by wrapping a cuff around your arm.
  • Pulse Oximeter: While you are getting oxygen, you may be hooked up to a pulse oximeter (ox-IM-ih-ter). It is placed on your ear, finger, or toe and is connected to a machine that measures the oxygen in your blood.
  • ECG: Also called a heart monitor, an electrocardiograph (e-LEK-tro-CAR-dee-o-graf), or EKG. The patches on your chest are hooked up to a TV-type screen or a small portable box (telemetry unit). This screen shows a tracing of each heartbeat. Your heart will be watched for signs of injury or damage that could be related to your illness.
  • 12 Lead ECG: This test makes tracings from different parts of your heart. It can help your doctor decide whether there is a problem with your heart.
  • Oxygen: Your body may need extra oxygen at this time. It is given either by a mask or nasal prongs. Tell your doctor if the oxygen is drying out your nose or if the nasal prongs bother you.
  • IV: A tube placed in your vein for giving medicine or liquids. It will be capped or have tubing connected to it.
  • Blood: Usually taken from a vein in your hand or from the bend in your elbow. Tests will be done on the blood.
  • Medicine:
    • Heparin: Keeps the blood thin so no other clots can form. It is given in an IV. Later, you may get other blood thinners.
    • Blood Thinners: These include aspirin and warfarin. They are given by mouth as a replacement for heparin. Like heparin, they keep the blood from forming clots.
    • Blood Pressure Medicine: Given for constant high blood pressure. At first it may be given in an IV, and later in a pill.
  • CT Scan: It is also called a ""CAT'' scan. This is an x-ray using a computer. It is used to make pictures of your internal organs.
  • Lumbar Puncture: Also called a spinal tap. Fluid is taken from your spine and sent for tests.
  • EEG: Also called an electroencephalogram (e-LEK-tro-en-SEF-uh-lo-gram). This is a brain wave study.
  • Chest X-ray: This is a picture of your lungs and heart. The care givers use it to see how your heart and lungs are handling the illness.
  • Surgery: This may be needed to take out a large blockage in one of your arteries.



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