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Ischemic stroke is a serious condition that causes a significant number of deaths among Thais and often leaves survivors suffering from long-term disabilities such as partial paralysis or full-body immobility. The best way to protect ourselves is to recognize the symptoms early and seek immediate medical attention. One of the key warning signs is weakness in the arms or legs, a dangerous symptom that may also lead to accidents due to loss of physical control.
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<h2>What Is Limb Weakness and Why Does It Happen?</h2>
Limb weakness results from a malfunction in the nerve cells that control muscle movement or transmit motor commands. This leads to weakened limbs and may be accompanied by symptoms such as difficulty swallowing, slurred speech, or inability to speak.
This weakness usually starts in one limb—either the hand, arm, leg, or foot. Early signs may include being unable to lift the arm, clench a fist, or hold objects without dropping them. If the condition worsens, the weakness can spread to other parts of the body, leading to partial or full paralysis. Such symptoms signal a potentially dangerous stage of disease and should not be ignored.
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<h2>Limb Weakness as a Symptom of Stroke</h2>
Limb weakness caused by a stroke happens when the brain doesn’t receive adequate blood flow, or when bleeding compresses brain tissue. The two main causes are:
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<li style="font-weight: 400;" aria-level="1">Ischemic stroke – due to a blocked blood vessel 
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<li style="font-weight: 400;" aria-level="1">Hemorrhagic stroke – due to a burst blood vessel causing bleeding in the brain
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</ul>
Both conditions are extremely serious. They can lead to partial paralysis (hemiparesis), cognitive impairment, memory loss, speech problems, or even death in severe cases.
A critical thing to remember is that stroke-related limb weakness usually occurs suddenly. If such symptoms appear, you must seek emergency medical care immediately for proper diagnosis and treatment.
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<h2>How Is Ischemic Stroke Treated to Prevent Lasting Damage?</h2>
Treatment focuses on restoring blood flow to the brain as quickly as possible to minimize damage to brain cells. If blood circulation can be restored in time, brain tissue may recover, and the patient has a better chance of returning to normal function. Treatment is most effective within 3 hours of symptom onset. Here are three key treatment approaches:
<ol>
<li style="font-weight: 400;" aria-level="1">Clot-dissolving medication (tPA – tissue plasminogen activator): 
 This drug helps break up clots and restore blood flow to the brain. It’s most effective within 4.5 hours of the first symptoms. Up to 30–50% of patients treated with tPA show significant improvement. However, this treatment is not suitable for everyone—patients with conditions like aneurysms, internal bleeding, or abnormal blood clotting must be carefully evaluated first.
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<li style="font-weight: 400;" aria-level="1">Mechanical thrombectomy (clot removal with a stent retriever): 
 This procedure involves inserting a catheter through the groin artery to the brain to remove the clot. It’s typically performed within 6 hours of symptom onset. A small wire mesh grabs the clot and pulls it out, allowing blood flow to resume. Many patients experience immediate improvement, sometimes regaining mobility by the next day.
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<li style="font-weight: 400;" aria-level="1">Surgical intervention: 
 Surgery is considered in cases where swelling in the brain compresses healthy tissue or the brainstem, causing unconsciousness or breathing difficulty. The goal is to reduce intracranial pressure and prevent further brain damage. This is a life-saving procedure.
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</ol>
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<h2>Monitor Symptoms and Record Your Location – Be Ready for Fast Treatment</h2>
Early detection is always better than cure. If you experience limb weakness or related symptoms, seek medical attention immediately, as brain cells are being damaged every second. The faster you get to a hospital, the better your chances of recovery.
You can also prepare in advance by calling 1772 Phyathai Call Center to inquire about emergency services and register your home or workplace address. In case of a sudden emergency, simply call, state your name and registered location, and an ambulance with a medical team will be dispatched to you immediately.
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Ischemic stroke is a serious condition that causes a significant number of deaths among Thais and often leaves survivors suffering from long-term disabilities such as partial paralysis or full-body immobility.

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Weakness in Arms and Legs – A Warning Sign of “Ischemic Stroke”

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