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Cardiomyopathy is a group of primary diseases of the heart muscle. [1] Early on there may be few or no symptoms. [1] As the disease worsens, shortness of breath, feeling tired, and swelling of the legs may occur, due to the onset of heart failure. [1]
The most common cause of arterial stenosis is atherosclerosis, however other pathologies such as fibromuscular dysplasia, dissection, trauma or external compression may occur. [2] Atherosclerotic plaque can rupture, resulting in a source of emboli. These emboli can cause TIAs or strokes in the areas of the brain supplied by the affected artery.
During an emotionally or physically stressful event, brain centers initiate the sympathetic nervous pathways and increase myocardial activity. Excessive catecholamine stimulation has a toxic effect on cardiac muscle cells which creates necrosis of the contractile units of cells similarly seen during acute myocardial infarction.
Brain ischemia has been linked to a variety of diseases or abnormalities. Individuals with sickle cell anemia, compressed blood vessels, ventricular tachycardia, plaque buildup in the arteries, blood clots, extremely low blood pressure as a result of heart attack, and congenital heart defects have a higher predisposition to brain ischemia in comparison to the average population.
What causes vertigo and dizziness? “Dizziness is generally a more neurological cause or a potential cardiac cause. For example, it could be a blood flow issue or stenosis of a carotid artery ...
In the brain, a small cavity called a lacune is an ischemic cavity that can arise due to brain necrosis, due to arteriolosclerosis. [15] [16] Cause. It can be caused by chronic benign (essential) hypertension [17] malignant hypertension. [4] [18]
Cerebral edema is a major cause of brain damage and contributes significantly to the mortality of ischemic strokes and traumatic brain injuries. [4] [9] As cerebral edema is present with many common cerebral pathologies, the epidemiology of the disease is not easily defined. [1]
Hypertrophic cardiomyopathy (HCM, or HOCM when obstructive) is a condition in which muscle tissues of the heart become thickened without an obvious cause. [8] The parts of the heart most commonly affected are the interventricular septum and the ventricles. [10]
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