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 Zhang Hui

Neurology

48sec

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Six Common Manifestations of Stroke

Firstly, patients may experience language impairment, primarily characterized by unclear speech or sensory aphasia, where they cannot understand others' conversations. Secondly, motor dysfunction is also a very common symptom, typically presenting as hemiplegia on one side of the body. Thirdly, sensory dysfunction can occur, manifested as numbness in one side of the body, an inability to feel pain, and an inability to sense temperature. Fourthly, there may be signs of ataxia, such as unstable walking or standing. Fifthly, there may be difficulties in swallowing, coughing while drinking water, and articulation disorders. Lastly, cognitive dysfunction can also occur, characterized by slow responsiveness and similar symptoms.

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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 Gao Yi Shen

Neurosurgery

1min 4sec

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What are the symptoms of a stroke?

Symptoms of stroke vary greatly, and it is crucial to judge based on the circumstances. The symptoms are mainly divided into two major categories: hemorrhagic stroke and ischemic stroke. The most common symptoms of hemorrhagic stroke are severe headaches, projectile vomiting, and the gradual onset of consciousness disorders. Some people might also experience limb numbness, weakness, speech impediments, and other conditions. The most common symptoms of ischemic stroke include dizziness, limb numbness, and speech impediments; sometimes, these symptoms alternate, so it is essential to pay attention to clinical observations and focus on differential diagnosis. There are also other types of symptoms, such as cognitive decline, urinary and fecal incontinence, unstable gait, swallowing difficulties, and coughing while swallowing. Therefore, it is imperative to visit a hospital in a timely manner for testing to clearly understand the specific changes in the patient's condition at that time, thus better facilitating the patient’s recovery.

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Written by Tang Bo

Neurology

1min 12sec

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Common clinical manifestations of stroke

Stroke includes ischemic stroke and hemorrhagic stroke, also known as cerebral infarction and cerebral hemorrhage. The clinical manifestations of cerebral infarction depend on the location of the occlusion, and may vary accordingly. Common symptoms include slurred speech and limb weakness. It generally occurs acutely, and may also include memory decline or a series of other symptoms depending on the specific location of the occlusion. If these symptoms occur, it is crucial to seek medical attention immediately, as there is an opportunity for thrombolytic treatment within 4.5 hours. In the case of cerebral hemorrhage, patients may experience symptoms during physical activity, possibly accompanied by severe headaches, as well as symptoms of neurological deficits such as unclear speech, limb weakness, or other symptoms. Seizures may also occur. It is essential to visit the hospital immediately if these symptoms appear. If cerebral hemorrhage is confirmed, the decision for surgical treatment depends on the amount of bleeding.

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Written by Zhang Hui

Neurology

1min 12sec

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What is a stroke?

Stroke primarily refers to cerebrovascular disease. Acute onset of stroke usually presents with focal neurological deficits, mainly divided into ischemic and hemorrhagic strokes. Ischemic stroke, primarily referring to cerebral infarction, occurs due to an interruption in the blood supply to the brain, causing vessel occlusion and resulting in various clinical syndromes. Clinically, it presents rapidly with symptoms such as limb paralysis, slurred speech, and facial drooping. The pathogenesis of ischemic stroke is caused by central arteriosclerosis of large vessels. Additionally, stroke also includes cerebral embolism, mainly referring to atrial fibrillation-induced emboli from wall-attached thrombi, and other foreign bodies causing embolic blockage, leading to necrosis of brain tissue. Stroke also encompasses hemorrhagic stroke, with a typical condition being cerebral hemorrhage, which is due to long-term hypertension causing hyaline degeneration of the small arterial walls, eventually leading to necrosis and rupture with bleeding, resulting in neurological deficits.