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Patients with sick sinus syndrome face relatively normal lives if the disorder is controlled by a pacemaker. However, in some patients, the pacemaker does not adequately control the fluctuations in heart rate.
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Atrial fibrillation/flutter is a heart rhythm disorder(arrhythmia). It usually involves a rapid heart rate, in which the upper heart chambers(atria) are stimulated to contract in a very disorganized and abnormal manner.Arrhythmias are caused by a ...
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Atrial fibrillation and flutter are abnormal heart rhythms in which the atria, or upper chambers of the heart, are out of sync with the ventricles, or lower chambers of the heart. In atrial fibrillation, the atria"quiver" chaotically and the ventr...
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Heart failure, also called congestive heart failure, is a life-threatening condition in which the heart can no longer pump enough blood to the rest of the body.Heart failure is almost always a chronic, long-term condition, although it can sometime...
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Heart failure is a condition in which the heart has lost the ability to pump enough blood to the body''s tissues. With too little blood being delivered, the organs and other tissues do not receive enough oxygen and nutrients to function properly.Ac...
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"Heart failure" is a broad term—often used inter-changeably with"congestive heart failure"(CHF)—to describe the heart''s inability to consistently pump enough blood to the body''s organs and tissues. Heart failure occurs either from a st...
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A stroke is an interruption of the blood supply to any part of the brain. A stroke is sometimes called a"brain attack.".Cerebrovascular disease; CVA; Cerebral infarction; Cerebral hemorrhage; Ischemic stroke; Stroke- ischemic.Approximately every 4...
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The following Clinical Topic Tour provides an overview of stroke and was adapted from materials published by the National Institute of Neurological Disorders and Stroke and the Centers for Disease Control and Prevention.
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A stroke is the sudden death of brain cells in a localized area due to inadequate blood flow.A stroke occurs when blood flow is interrupted to part of the brain. Without blood to supply oxygen and nutrients and to remove waste products, brain cell...
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Stroke is an increasing public health concern throughout the world as the leading cause of long-term disability. There is estimated to be over 3.5 million survivors of stroke in the United States.
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A stroke is an interruption of blood circulation to the brain causing a neurologic deficit reflecting the area of the brain affected. Stroke can be ischemic or hemorrhagic. 1 Ischemic stroke is most prevalent.
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A stroke is the sudden death of brain cells in a localized area due to inadequate blood flow.A stroke occurs when blood flow is interrupted to part of the brain. Without blood to supply oxygen and nutrients and to remove waste products, brain cell...
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There are various clinical and pathological subtypes of stroke, and identification of the subtype is necessary for correct management. Investigations Imaging Brain imaging should be performed within the first 48 hours of the onset of stroke (see below), to determine whether the stroke is haemorrhagic or ischaemic and to exclude other causes (e.g. tumour).
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Stroke, or cerebrovascular accident(CVA), is the third leading cause of death(after heart disease and cancer) in the United States and the industrialized countries of the world. The term"stroke," which comes from subjects being suddenly"struck dow...
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Cerebrovascular accident(CVA) is the medical term for what is commonly termed a stroke. It refers to the injury to the brain that occurs when flow of blood to brain tissue is interrupted by a clogged or ruptured artery, causing brain tissue to die...
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A stroke, also called a cerebral infarction, is a life-threatening condition marked by a sudden disruption in the blood supply to the brain.A disruption in the blood supply to the brain starves the brain of oxygen-rich blood and causes the nerve c...
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A stroke, also called a cerebral vascular accident(CVA), is the sudden death of cells in a specific area of the brain due to inadequate blood flow.A stroke occurs when blood flow is interrupted to a part of the brain, either when an artery bursts ...
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Stroke is the common name for the injury to the brain that occurs when the flow of blood to brain tissue is interrupted by a clogged or burst artery. Arterial blood carries oxygen and nutrition to the cells of the body.
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