Subdural Hematoma

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A subdural hematoma is a collection of blood on the surface of the brain. A subdural hematoma is an emergency condition. Subdural hematomas are usually the result of a serious head injury. When one occurs in this way, it is called an "acute" subdural hematoma. Acute subdural hematomas are among the deadliest of all head injuries. The bleeding fills the brain area very rapidly, compressing brain tissue. This often results in brain injury and may lead to death. Subdural hematomas can also occur after a very minor head injury, especially in the elderly. These may go unnoticed for many days to weeks, and are called "chronic" subdural hematomas. With any subdural hematoma, tiny veins between the surface of the brain and its outer covering (the dura) stretch and tear, allowing blood to collect. In the elderly, the veins are often already stretched because of brain atrophy (shrinkage) and are more easily injured. Some subdural hematomas occur without cause (spontaneously). The following increase your risk for a subdural hematoma: Anticoagulant medication (blood thinners, including aspirin); Long-term abuse of alcohol; Recurrent falls; Repeated head injury; Very young or very old age; Symptoms: Confused speech; Difficulty with balance or walking; Headache; Lethargy or confusion; Loss of consciousness; Nausea and vomiting; Numbness; Seizures; Slurred speech; Visual disturbances; Weakness; In infants: Bulging fontanelles (the "soft spots" of the baby's skull); Feeding difficulties; Focal seizures; Generalized tonic-clonic seizure; High-pitched cry; Increased head circumference; Increased sleepiness or lethargy; Irritability; Persistent vomiting; Separated sutures (the areas where growing skull bones join); A CT scan or MRI scan likely would be done to evaluate for the presence of a subdural hematoma. Emergency surgery may be needed to reduce pressure within the brain. This may involve drilling a small hole in the skull, which allows blood to drain and relieves pressure on the brain. Large hematomas or solid blood clots may need to be removed through a procedure called a craniotomy, which creates a larger opening in the skull. Medicines used to treat a subdural hematoma depend on the type of subdural hematoma, the severity of symptoms, and how much brain damage has occurred. Diuretics and corticosteroids may be used to reduce swelling. Anticonvulsion medications, such as phenytoin, may be used to control or prevent seizures. The outlook following a subdural hematoma varies widely depending on the type and location of head injury, the size of the blood collection, and how quickly treatment is obtained. Acute subdural hematomas present the greatest challenge, with high rates of death and injury. Subacute and chronic subdural hematomas have better outcomes in most cases, with symptoms often going away after the blood collection is drained. A period of rehabilitation is sometimes needed to assist the person back to his or her usual level of functioning. There is a high frequency of seizures following a subdural hematoma, even after drainage, but these are usually well controlled with medication. Seizures may occur at the time the hematoma forms, or up to months or years afterward.

Symptoms:

Laboratory Test Procedures:

difficulty speaking
loss of balance
unsteady walking
headache
lethargy
confusion
fainting
nausea
vomiting
numbness
seizures
sudden onset of visual disturbance, often in low light
fatigue
behavioral and emotional changes
lightheadedness
sleepiness

Urobilinogen (URINE TEST)
Direct Bilirubin
Total Bilirubin
Bilirubin (URINE TEST)
WBC
Hemoglobin
Hematocrit
RBC
Platelet Count
Fibrinogen
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Copyright © 2017 SmrtX Last updated: Friday, January 6th, 2017