D
DrAllan
As is true of much in medicine there are more variables than one would like to take into account. So, here goes in what may be a long-winded description.
Basic rule, damaged or torn blood vessels will result in some degree of bleeding. People on ACT may or may not have more bleeding before it spontaneously stops.
Second rule, where the accumulation of blood occurs to a great extent determines it risks and consequences.
Third rule, Trauma to the skull is of two main types. First there is direct contact pressure to the skull, which can result in damage. Second there is the acceleration / deceleration effect when the head stops moving. And this is of two types itself. If you are initially relatively stationary and fall off of a ladder then hitting the ground causes a direct pressure contact injury. If you are in an automobile and you hit the air bag, window, steering wheel, or are thrown from the vehicle, then at the moment of impact your skull stops moving, but your softer brain floating in spinal fluid does not decelerate until it strikes up against the inside of the skull. Various combinations of these physical events occur and can tear blood vessels in and around the brain. Then the accumulation of blood has no place to go except expand within the brain or skull lining. This puts pressure on the brain leading to multiple types of neurological symptoms and possibly death.
With this background, just because you have a visible lump on the outside within the scalp does not mean that damage has not occurred within the skull or brain.
The progression of neurological symptoms may be rapid or delayed. These include, but are not limited to headache, confusion, drowsiness, inability to stay awake or be awakened, changes in speech, weakness, or other changes in other motor functions, visual difficulties, nausea, vomiting,
For a more detailed description, go to http://www.emedicinehealth.com/head_injury/article_em.htm
Basic rule, damaged or torn blood vessels will result in some degree of bleeding. People on ACT may or may not have more bleeding before it spontaneously stops.
Second rule, where the accumulation of blood occurs to a great extent determines it risks and consequences.
Third rule, Trauma to the skull is of two main types. First there is direct contact pressure to the skull, which can result in damage. Second there is the acceleration / deceleration effect when the head stops moving. And this is of two types itself. If you are initially relatively stationary and fall off of a ladder then hitting the ground causes a direct pressure contact injury. If you are in an automobile and you hit the air bag, window, steering wheel, or are thrown from the vehicle, then at the moment of impact your skull stops moving, but your softer brain floating in spinal fluid does not decelerate until it strikes up against the inside of the skull. Various combinations of these physical events occur and can tear blood vessels in and around the brain. Then the accumulation of blood has no place to go except expand within the brain or skull lining. This puts pressure on the brain leading to multiple types of neurological symptoms and possibly death.
With this background, just because you have a visible lump on the outside within the scalp does not mean that damage has not occurred within the skull or brain.
The progression of neurological symptoms may be rapid or delayed. These include, but are not limited to headache, confusion, drowsiness, inability to stay awake or be awakened, changes in speech, weakness, or other changes in other motor functions, visual difficulties, nausea, vomiting,
For a more detailed description, go to http://www.emedicinehealth.com/head_injury/article_em.htm
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