Nicotine Addiction and Depend... : Complications
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Nicotine disorders are caused by the main psychoactive ingredient in tobacco. Nicotine is a physically and psychologically addictive drug. It is the most influential dependence-producing drug in the United States and worldwide, and its use is asso...
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An aneurysm is an abnormal widening or ballooning of a portion of an artery, related to weakness in the wall of the blood vessel. Some common locations for aneurysms include: Aorta (the major artery from the heart) - see abdominal aortic aneurysm and thoracic aortic aneurysm; Brain (cerebral aneurysm; Leg (popliteal artery aneurysm; Intestine (mesenteric artery aneurysm; Splenic artery aneurysm.
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Cerebral aneurysm is the enlargement, distention, dilation, bulging, or ballooning of the wall of a cerebral artery or vein. Aneurysms affect arteries throughout the body, including blood vessels in the brain (intracerebral aneurysm).
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Bladder cancer is a malignant tumor within the bladder. In the United States, bladder cancers usually start from the cells lining the bladder (transitional cells. These tumors may be classified based on their growth pattern: Papillary tumorshave a wart-like appearance and are attached to a stalk; Nonpapillary tumors are much less common, but they are more invasive and have a poorer prognosis.
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Bladder cancer is a disease in which the cells lining the urinary bladder lose the ability to regulate their growth and start dividing uncontrollably. This abnormal growth results in a mass of cells that form a tumor.
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Bladder cancer is a disease in which the cells lining the urinary bladder lose the ability to regulate their An immunofluorescent light micrograph of cells cultured from squamous carcinoma of the bladder. ( Photograph by Nancy Kedersha, Photo Researchers, Inc.
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Bladder cancer is a disease in which the cells lining the urinary bladder lose the ability to regulate their growth and start dividing uncontrollably. This abnormal growth results in a mass of cells that form a tumor.
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Chronic bronchitis is an inflammation of the main airways in the lungs that continues for a long period or keeps coming back.
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Emphysema is a lung disease that involves damage to the air sacs (alveoli) in the lungs.
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Emphysema is a lung disease that, along with chronic bronchitis, represents a type of chronic obstructive pulmonary disease (COPD). Medical scientists have defined emphysema as " a condition of the lung characterized by abnormal, permanent enlargement of airspaces distal to the terminal bronchioles, accompanied by the destruction of their walls, and without obvious fibrosis " (Snider 1985).
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Emphysema is a progressive, incurable chronic lung condition. The air sacs (alveoli) are destroyed and oxygen uptake is restricted due to the loss of elasticity of lung tissue.
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Emphysema is a chronic respiratory disease where there is over-inflation of the air sacs (alveoli) in the lungs, causing a decrease in lung function, and often, breathlessness. Emphysema is the most common cause of death from respiratory disease in the United States, and is the fourth most common cause of death overall.
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Emphysema is a chronic respiratory disease in which overinflation of the alveoli or air sacs causes a decrease in respiratory function and often dyspnea. Emphysema is the most common cause of death from respiratory disease in the United States, and is the fourth most common cause of death overall.
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Esophageal cancer is a malignant (cancerous) tumor of the esophagus, the muscular tube that moves food from the mouth to the stomach. See also: Barrett's esophagus
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Esophageal cancer is a malignancy that develops in tissues of the hollow, muscular canal (esophagus) along which food and liquid travel from the throat to the stomach. Esophageal cancer usually originates in the inner layers of the lining of the esophagus and grows outward.
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Esophageal cancer is a malignancy that develops in tissues of the hollow, muscular canal (esophagus) along which food and liquid travel from the throat to the stomach. Esophageal cancer usually originates in the inner layers of the lining of the esophagus and grows outward.
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The term head and neck cancers refers to a group of cancers found in the head and neck region. This includes tumors found in: The oral cavity (mouth): the lips, the tongue, the teeth, the gums, the lining inside the lips and cheeks, the floor of the mouth (under the tongue), the roof of the mouth, and the small area behind the wisdom teeth are all included in the oral cavity.
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The term head and neck cancers refers to a group of cancers found in the head and neck region. This includes tumors found in: The oral cavity (mouth).
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A heart attack is when low blood flow causes the heart to starve for oxygen. Heart muscle dies or becomes permanently damaged. Your doctor calls this a myocardial infarction.
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A heart attack is the death of, or damage to, part of the heart muscle because its blood supply is severely reduced or stopped. Heart attack is the leading cause of death in the United States.
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A heart attack is the death of, or damage to, part of the heart muscle because the supply of blood to the heart muscle is severely reduced or stopped. Heart attack is the leading cause of death in the United States.
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A myocardial infarction, or heart attack, is the death or damage of part of the heart muscle because the supply of blood to the heart muscle is severely reduced or stopped. Myocardial infarction (MI) is the leading cause of death in the United States.
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Heart disease is any disorder that affects the heart's ability to function normally. Various forms of heart disease include: Alcoholic cardiomyopathy; Aortic regurgitation; Aortic stenosis; Arrhythmias; Cardiogenic shock; Congenital heart disease; Coronary artery disease (CAD)Dilated cardiomyopathy; Endocarditis; Heart attack (myocardial infarction; Heart failure; Heart tumor; Hypertrophic cardiomyopathy; Idiopathic cardiomyopathy; Ischemic cardiomyopathy; Acute mitral regurgitation; Chronic mitral regurgitation; Mitral stenosis; Mitral valve prolapse; Peripartum cardiomyopathy; Pulmonary stenosis; Stable angina; Unstable angina; Tricuspid regurgitation.
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The heart, which is about the size of a human fist, is the body ' s largest, strongest, and most important muscle. The heart continuously pumps blood through the body, helps regulate and prolong health, and controls the flow (circulation) of blood to the lungs, organs, muscles, and tissues in the body.
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Heart disease is the narrowing or blockage of the arteries and vessels that provide oxygen and nutrient-rich This illustration shows hypertrophic muscle in the heart. The lesions are due to an incompetent aortic valve.
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Kidney cancer is a disease in which the cells in certain tissues of the kidney start to grow uncontrollably and form tumors. Renal cell carcinoma , sometimes referred to as hypernephroma, occurs in the cells lining the kidneys (epithelial cells).
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Kidney cancer is a disease in which the cells in certain tissues of the kidney start to grow uncontrollably and form tumors. Renal cell carcinoma, which occurs in the cells lining the kidneys (epithelial cells), is the most common type of kidney cancer.
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An infant born with a weight of less than five pounds (2,500 grams) at birth is classified as a low birth weight infant. Babies with low birth weight were either born prematurely or are small for their age because their growth was restricted in the womb.
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Lung cancer is cancer that begins in the lungs, the two organs found in the chest that help you breathe. The lungs are made up of areas called lobes. The right lung has three lobes; the left lung has two, so there's room for the heart. When you breathe, air goes through your nose, down your windpipe (trachea), and into the lungs where it spreads through tubes called bronchi. Most lung cancer begins in the cells that line these tubes. There are two main types of lung cancer: Non-small cell lung cancer (NSCLC) is the most common type of lung cancer; Small cell lung cancer makes up about 20% of all lung cancer cases. If the lung cancer is made up of both types, it is called mixed small cell/large cell cancer. If the cancer started somewhere else in the body and spread to the lungs, it is called metastatic cancer to the lung.
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Lung cancer is a malignant disease in which lung cells become abnormal, characterized by uncontrollable, unlimited growth. These cells can then invade nearby normal tissue and destroy organ structure, a process called " invasion.
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Lung cancer is a disease in which the cells of the lung tissues grow uncontrollably and form tumors. It is the leading cause of death from cancer among both men and women in the United States.
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Lung cancer is a disease in which the cells of the lung tissues grow uncontrollably and form tumors. It is the leading cause of death from cancer among both men and women in the United States.
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A miscarriage is the spontaneous loss of a fetus before the 20th week of pregnancy. (Pregnancy losses after the 20th week are called preterm deliveries) A miscarriage may also be called a "spontaneous abortion." This refers to naturally occurring events, not elective or therapeutic abortion procedures, which a woman may choose to have done. Other terms for the early loss of pregnancy include: Missed abortion (a loss of pregnancy where the products of conception do not exit the body; Incomplete abortion (not all of the products of conception exit the body; Complete abortion (all of the products of conception exit the body; Threatened abortion (symptoms indicate a miscarriage is possible; Inevitable abortion (the symptoms cannot be stopped, and a miscarriage will happen; Infected abortion.
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Miscarriage means loss of an embryo or fetus before the 20th week of pregnancy . Most miscarriages occur during the first 14 weeks of pregnancy.
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A miscarriage is the loss of an embryo or fetus before the twentieth week of pregnancy . A pregnancy loss after the twentieth week is called a stillbirth.
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Nicotine withdrawal involves irritability, headache, and craving. These symptoms happen with the sudden stopping or reduction of smoking (or other tobacco use) by a nicotine-dependent individual. See smoking - tips on how to quit and smoking hazards.
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Pancreatic carcinoma is cancer of the pancreas.
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The pancreas is a gland found in the abdomen behind the stomach. The pancreas secretes juice that breaks down fats and proteins and releases hormones, such as insulin, to control blood sugar levels.
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The pancreas is a gland found in the abdomen behind the stomach. The pancreas secretes a fluid that breaks down fats and proteins, and releases hormones, such as insulin, to control blood sugar levels.
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A birth that occurs before the 37th week of gestation A birth that occurs before the 37th week of pregnancy is considered premature. Although researchers have long sought a way to prevent premature birth, an estimated 9% of infants are still born prematurely, costing the United States billions of dollars in health care expenditures annually.
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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."
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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.
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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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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 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.
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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 down " with neurological deficits, is commonly used by both professional and lay groups.
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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 because of lack of nutrients and oxygen.
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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 cells in that area to become damaged and die within minutes.
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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 or becomes closed when a blood clot lodges in it.
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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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