What does "brain stroke dnt" mean?

Written by Tang Ying

Physical Medicine and Rehabilitation

Updated on August 31, 2024

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The term "DNT" refers to the time from when an acute stroke patient arrives at the hospital to the start of intravenous thrombolytic treatment. Both domestic and international guidelines recommend the DNT to be within 60 minutes—the earlier, the better. This standard was established by the National Health and Family Planning Commission. The time it takes for pre-hospital emergency care and in-hospital medication administration is approximately 60 minutes each. It is only by improving the time from pre-hospital treatment to medication administration within this golden window that we can enhance the patient's survival rate, prognosis, and quality of life, while minimizing disability rates.

Other Voices

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Written by Zhao Zi Pan

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Can a stroke be cured?

Stroke can result in sequelae such as deviation of the mouth, slurred speech, hemiplegia, numbness of extremities, coughing when drinking water, hoarseness, and difficulty swallowing. If the stroke affects a smaller area or is not located in a critical area, recovery tends to be better. However, if the infarct is large or occurs in a critical area like the brainstem, sequelae may persist, with partial function recovery possible within about three to six months.

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Written by Zhang Hui

Neurology

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Main manifestations of pre-stroke warning signs

The precursor of cerebral thrombosis in neurology is called transient ischemic attack (TIA). As the name suggests, this is a transient disease, mainly characterized by symptomatic speech impairment, facial droop, drooling, episodic dizziness, blurred vision, and episodic numbness and weakness of limbs. These symptoms are generally transient, usually lasting from several minutes to a few hours and can be completely relieved. The precursor of cerebral thrombosis is regarded as an emergency in neurology and must be treated promptly. Delayed treatment can possibly progress to cerebral infarction, severely affecting the patient's quality of life and physical health. In considering this disease, one must immediately rush to the hospital for appropriate treatment with antiplatelet drugs, lipid-regulating drugs to stabilize plaques, and treatments such as volume expansion and fluid supplementation.

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Written by Zhang Hui

Neurology

1min 9sec

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What is a stroke?

The English term for 脑卒中 is stroke, which generally refers to a group of cerebrovascular diseases. These diseases often onset acutely and mainly consist of two types. The first type is ischemic stroke, which includes diseases like cerebral thrombosis, watershed infarction, cerebral infarction, and cerebral embolism. The second type is hemorrhagic stroke, which primarily includes cerebral hemorrhage and subarachnoid hemorrhage among other bleeding-related disorders. Regardless of the type, the onset of stroke is very sudden, and patients rapidly develop severe neurological deficits. For example, a patient may experience sudden slurred speech, paralysis of one side of the body, or numbness and weakness on one side. There will inevitably be obvious symptoms like dizziness, headache, nausea, vomiting, and stiffness of the neck. If a stroke is suspected, it is crucial to rush to the hospital immediately. Doctors will make an accurate diagnosis and provide appropriate treatment based on the patient's medical history and cranial CT scans.

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Written by Tang Ying

Physical Medicine and Rehabilitation

41sec

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What is the goal of rehabilitation during the acute phase of a stroke?

Rehabilitation goals during the acute phase of stroke. In the acute phase, we usually can intervene with rehabilitation treatment 48 hours after the patient’s vital signs have stabilized. The main goals of rehabilitation during the acute phase are to prevent complications such as pressure ulcers, atelectasis pneumonia, urinary tract infections, deep vein thrombosis, and muscle atrophy. Additionally, it aims to improve impaired neurological functions such as sensory, motor, and speech therapies, and to enhance the patient’s ability for self-care and mobility.

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Written by Zhang Hui

Neurology

1min 4sec

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What does a stroke cause?

Stroke primarily causes neurological deficits such as limb paralysis in patients. This paralysis is typically hemiplegic, where one side of the body lacks strength, the affected limbs cannot walk, and the upper limbs cannot be lifted. Stroke can also cause numbness in the limbs. Patients may experience reduced pain and temperature sensation on one side of the body, unable to feel pain or temperature. Additionally, stroke can lead to headaches and symptoms such as nausea and vomiting, commonly seen in hemorrhagic strokes, such as cerebral hemorrhage. Furthermore, strokes in specific brain areas like the frontal lobe, temporal lobe, and hippocampus can cause cognitive impairments. Patients become slow to react, have significantly reduced learning and memory capabilities, and their ability to perform daily activities and work is noticeably affected. Strokes can also cause unclear speech, where patients have difficulties in expressing themselves verbally and may even be unable to understand conversations.