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What causes cerebral aneurysms?
Cerebral aneurysms are usually aneurysms we are born with. There are certain conditions, however, that can predispose one to develop aneurysms later in life. Hypertension can cause small aneurysms in the brain stem and midbrain that can bleed - these usually are not able to be seen because they are so small, however. Another possible cause is infections. These aneurysms are called mycotic aneurysms and are the result of infectious material, or emboli, being lodged in the cerebral arteries, causing a localized infection and weakening of the artery walls, leading to aneurysmal formation.
What part of the body usually get the aneurysm?
Aneurysms commonly occur in the brain (cerebral aneurysms), the aorta (aortic aneurysms), and, less frequently, in the peripheral arteries such as those in the legs or pelvis. Cerebral aneurysms can lead to strokes if they rupture, while aortic aneurysms can cause life-threatening internal bleeding. Each type poses unique risks depending on its location and size.
Can second hand smoking cause somebody else to have a stroke?
Yes, smoking increases the risk for brain aneurysms by promoting elastin degradation in the brain's blood vessel walls.
What causes a cerebral aneurysm?
Cerebral aneurysms are usually aneurysms we are born with. There are certain conditions, however, that can predispose one to develop aneurysms later in life. Hypertension can cause small aneurysms in the brain stem and midbrain that can bleed - these usually are not able to be seen because they are so small, however. Another possible cause is infections. These aneurysms are called mycotic aneurysms and are the result of infectious material, or emboli, being lodged in the cerebral arteries, causing a localized infection and weakening of the artery walls, leading to aneurysmal formation.
Can you get a brain aneurysm from coughing?
Coughing itself does not directly cause a brain aneurysm. However, in individuals with pre-existing aneurysms or weak blood vessels, intense coughing can increase intracranial pressure, potentially leading to a rupture. It's important for those with risk factors for aneurysms to manage symptoms that cause severe coughing and seek medical advice if they have concerns.
Can an overdose of ambien and otc sleeping pills cause brain damage?
Yes, an overdose of Ambien (zolpidem) and over-the-counter (OTC) sleeping pills can potentially cause brain damage. High doses can lead to severe respiratory depression, loss of consciousness, and increased risk of accidents, which may result in hypoxia (lack of oxygen to the brain). Chronic misuse or overdose can also lead to cognitive impairment and other neurological issues. It’s crucial to use these medications as prescribed and seek immediate medical attention in case of overdose.
Does epinephrine cause behavioral problems?
No, epinephrine should not cause behavioral problems. Epinephrine is a neurotransmitter naturally secreted by the adrenal glands that helps aid in the autonomic functioning of the "fight or flight" response. Symptoms of epinephrine secretion would be found in high stress situations with sweating, increased heart rate, increased breathing rate, etc. It is essential in redistribution of blood flow to essential organs such as the heart, lungs, brain, etc.
What could happen if your body continued to release adrenaline into your bloodstream and the amount of adrenaline did not turn back to normal?
Normally, epinephrine (also called adrenaline) down-regulates its own synthesis. However, tumors of the sympathetic nervous system or the adrenal glands can cause elevated epinephrine; pheochromocytoma is one such condition. Some of the symptoms are elevated heart rate and blood pressure, anxiety, pallor, headaches, excessive sweating, etc. A medical emergency is likely to be caused by injected epinephrine. An overdose of epinephrine can cause fatal hypertension and brain hemorrhage, pulmonary edema, as well as precipitate existing angina pectoris. Like many stimulants that act on the heart, fatal ventricular arrhythmias are also a risk.
Misdiagnosed brain death if patient is revived from a methadone overdose?
Not really a question. Any overdose may cause death or stop the heart. Depending on how long the event was, there could and probably will be brain damage and if the brain is deprived of oxygen long enough brain death occurs. There can be enough damage that the person is no longer there but the body still functions.
Does epinephrine cause blood vessels to dilate?
No, epinephrine is a vasoconstrictor. Commonly given to slow bleeding.
Does high blood pressure cause a pulmonary aneurysm?
High blood pressure (hypertension) can contribute to the development of various cardiovascular conditions, including aneurysms in the aorta, but it is not a direct cause of pulmonary aneurysms. Pulmonary aneurysms, which occur in the pulmonary arteries, are more commonly associated with conditions such as pulmonary hypertension, infections, or congenital heart defects. While hypertension can exacerbate existing vascular problems, it is not the primary cause of pulmonary aneurysms.
What are aneurysms?
A brain aneurysm is an aneurysm that occurs in the brain. An aneurysm is the bulging of an artery that results from weakness in the artery's wall. The major complication of aneurysms is that the wall can become so weak that the aneurysm ruptures, causing hemorrhage that can ultimately lead to death if not treated quickly. There are generally two classes of brain aneurysms: berry (saccular) aneurysms and Charcot-Bouchard aneurysms. Berry aneurysms have a tendency to occur in families (eg, in association with a disease called polycystic kidney disease), although they are less commonly associated with hypertension (high blood pressure). They most commonly occur in the circle of Willis, a major system of arteries that provides blood to the brain. Since the circle of Willis is outside of the brain, ruptured berry aneurysms don't frequently cause intracerebral (within the brain) hemorrhages; they usually cause subarachnoid hemorrhages. Charcot-Bouchard aneurysms, on the other hand, are most commonly associated with hypertension and typically occur in the small arteries that penetrate into the brain. As a result, a ruptured Charcot-Bouchard aneurysm leads to an intracerebral hemorrhage.
