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Stenosis in Medical Dictionary

Stenosis

Stenosis occurs when the heart valve opening is narrowed or does not form properly, inhibiting the ability of the heart to pump blood to the body due to the increased force required to pump blood through the stiff (stenotic) valve(s). Re stenosis : Renarrowing, as in re stenosis of a ...

Aortic stenosis

Aortic stenosis Definition: The aorta is the large artery that originates in the left ventricle (lower chamber) of the heart . Aortic stenosis may be present in varying degrees, classified according to how much obstruction to blood flow is present. A child with severe aortic sten...

Mitral stenosis

Mitral stenosis is a heart valve disorder. Symptoms usually develop between the ages of 20 and 50. It most commonly occurs in people who have had rheumatic fever . Mitral valve stenosis — or mitral stenosis — is a condition in which the heart 's mitral valve is narrowed...

Pyloric stenosis

Pyloric stenosis is a common surgical problem that occurs in early infancy. Pyloric stenosis causes vomiting as it's primary symptom. Classically this vomiting presents in infants at 2-3 weeks of age, but can present as late as 6 weeks of age. Pyloric stenosis Alternative Names: C...

Renal artery stenosis

Renal artery stenosis often causes hypertension ( high blood pressure )with no other signs of its presence, and it is usually discovered in investigation for the cause of hypertension that is difficult to control. Renal Artery Stenosis Alternate Names : Fibromuscular Dysplasia (FMD), O...

Spinal stenosis

Spinal stenosis Definition: Spinal stenosis is a narrowing of the lumbar (back) or cervical (neck) spinal canal, which causes compress ion of the nerve roots. Spinal stenosis is a narrowing of one or more areas in your spine - most often in your upper or lower back. This narrowing c...

Acute arterial occlusion

...am) may lodge in the renal artery . acute arterial occlusion of the kidney acute renal failure atheroembolic renal disease renal artery stenosis renal cell carcinoma ... ...

Amyloidosis

...ct(s), described in Japanese, Italian, and North American families. Primary amyloidosis Primary pulmonary hypertension Pulmonary valve stenosis Restrictive cardiomyopathy Right -sided heart failure Secondary systemic amyloidosis Senile cardiac amyloidosis Stroke Tetralogy of F...

Aorta

...(Aortic Regurgitation ) Aortic Dissection Aortic Regurgitation Aortic stenosis Arrhythmias Arteriosclerosis ( Atherosclerosis ) ... Intercept eso...he large vessel that carries blood from the heart to the body - Aortic stenosis : Narrowing of the valve between the lower left heart chamber of the a...

Aortic dissection

...t ing Intra mural Hematoma ( Aortic Dissection ) Aortic Insufficiency (Aortic Regurgitation ) Aortic Dissection Aortic Regurgitation Aortic stenosis Arrhythmias Arteriosclerosis ( Atherosclerosis ) Atherosclerosis Atrial Fibrillation ... - aortic dissection * - aspirin and heart dis...

Aortic insufficiency

...c Regurgitation ( Aortic Insufficiency ) Aortic stenosis Aortic Valve Prolapse ( Aortic Insufficiency ) Aortic Valve stenosis ( Aortic stenosis ) ... aortic insufficiency (leaking of the va...

Artery

...MedicineNet For: search help Printer-Friendly Format ... Renal artery stenosis is caused when atheroembolic renal disease results in narrowing of the renal artery . Renal artery stenosis may cause eventual failure of the kidney if it progressively blocks the ...

Asymptomatic

...with organic debris. Asymptomatic infection common. Epidemic s of gastroenteritis are common in summer and fall. asymptomatic carotid stenosis , or narrowing of one of the arteries in the neck sickle cell anemia , a blood disorder that forms abnormal red blood cells high cholesterol ...

Atresia

..., tricuspid atresia , and hypoplastic left heart syndrome . Sept ostomy does not correct the congenital heart defect. anal atresia or stenosis (such as a narrowed or absent anal opening, also sometimes called imperforate anus ) abnormally shaped ears with tags, pits or fistula s (unusual ...

Atrial septal defect

... CONGENITAL HEART DISEASE - Heart disease that is present from birth . Examples include atrial septal defect , ventricular septal defect, aortic stenosis , and tetralogy of Fallot . [ Med Help International ] [ Search ] [ Ask the Doctor Forums ] ... These conditions include valvular heart disease ,...

Back Pain

... may cause ... MRI scan of the spine may be used to evaluate patients with back pain , herniated disk s, narrowing of the spinal canal ( spinal stenosis ), and degeneration of the disc spaces between the vertebrae ( cervical spondylosis ). Difficulty controlling the passage of stool or gas from ...

Beta

... by exercise . Beta -Cath system Device designed for treatment of re stenosis in patients who have previously undergone angioplasty procedures. Local beta radiation is delivered to the site to inhibit re stenosis . Mfg: Novoste Corporation. The Wnt/ beta -catenin signal transduction p...

Bicuspid

...y two flaps instead of three, which can lead to stenosis in adulthood. Sub aortic stenosis is a narrowing of the left ventricle below th... left ventricle . Septal defects ... Aortic stenosis : Bicuspid Aortic Valve- Apical Recording - 1.95...

Blackout

...n inability to remember events that happened while drinking. • ... stenosis can also occur as a result of rheumatic fever . Mild aortic stenosis may produce no symptoms at all. The most common symptoms, depending on the...

Bowel

...hyosis Icterus ( Jaundice ) IDDM (Type 1 Diabetes Mellitus ) Idiopathic Hemochromatosis ( Hemochromatosis ) Idiopathic Hypertrophic Sub aortic stenosis (Hypertrophic Cardiomyopathy ) ... Meconium : The first bowel movement of the baby, usually passed after birth . When it is passed before...

Calcium

...malarial drugs Quinidine, used to treat abnormal heart rhythms ... CARE calcium antagonist in reperfusion trial. CARE carvedilol atherectomy re stenosis trial. Loss of calcium from the bones or teeth . decidua The mucus lining of the uterus that's passed after childbirth or during the menstr...

Carotid

...What Is It? - Source:MedicineNet ... Carotid stenosis , X-Ray of the Left Artery A carotid arte... oxygen -rich blood to the brain. Carotid stenosis , X-ray of the left artery Carotid stenosis , X-ray of the right artery Stroke ... ...

Catheter

...us delivery). IVUS catheter Intra vascular ultrasound catheter for viewing the interior of an artery or vein to determine the degree of stenosis or plaque formation. Cardiac catheter ization is a procedure in which surgeons insert a small tube ( catheter ) through a large blood vessel ...

Cervical

...l di stress . MRI scan of the spine may be used to evaluate patients with back pain , herniated disk s, narrowing of the spinal canal ( spinal stenosis ), and degeneration of the disc spaces between the vertebrae ( cervical spondylosis ). ...

Cervical spondylosis

...d tumor , ... MRI scan of the spine may be used to evaluate patients with back pain , herniated disk s, narrowing of the spinal canal ( spinal stenosis ), and degeneration of the disc spaces between the vertebrae ( cervical spondylosis ). ...

Cervix

...he surface of the cervix . The cervix : The opening of the uterus at the back of the vagina may have an opening that is too tiny ( cervical stenosis ) or the mucous that enables the sperm to swim may be deficient. The cervix is the lower, narrow end of the uterus (the hollow, pear-shaped ...

Cholelithiasis

...ms in people with gallbladder disease . Cholelithiasis Cholera Cholera genome Cholescintigraphy Cholestasis with peripheral pulmonary stenosis Cholesterol Cholesterol ester transfer protein Cholesterol guidelines Cholesterol lowering with fibrate Cholesterol lowering with niacin...

Cholestasis

... Cholestasis with peripheral pulmonary stenosis : Also known as arterio hepatic dysplasia or Alagille syndrome , this ia a genetic disorder characterized by yellowing of the skin ( jaundice ...

Claudication

...t For: search help 1 ... Pseudo claudication is pain and discomfort in the buttocks, legs and feet due to narrowing of the spinal canal ( spinal stenosis ). This is different from claudication , which is pain in the calf or thigh caused by decreased blood flow to a muscle . The term claudicati...

Colorectal polyps

...lyps Crohn& acute ;s disease (regional enteritis ) Hirschsprung& acute ;s disease intestinal obstruction intussusception (children) pyloric stenosis ... Celecoxib Lowers Risk of Colorectal Polyps Genetics of Colorectal Cancer [health professional] More... relief of signs and symptoms o...

Congenital Heart Disease

... CONGENITAL HEART DISEASE - Heart disease that is present from birth . Examples include atrial septal defect , ventricular septal defect, aortic stenosis , and tetralogy of Fallot . [ Med Help International ] [ Search ] [ Ask the Doctor Forums ] ... Congenital heart disease (CHD) is a heart -rela...

Contracture

...at can lead to serious kidney difficulties include the narrowing of the upper urinary tract ( ureter opelvic junction obstruction or ureter al stenosis ), congenital contracture of the bladder outlet (vesical neck contracture ), ... So we really want to start rehab early enough so that you d...

Cramp

...sent in over 80 percent of nonwhite adults. Pseudo claudication is cramp ing of the muscle s and is usually caused at rest, typically by spinal stenosis , that is, a narrowing of the spinal column, impinging on the nerve s to the leg. Lower abdominal pain or pelvic cramp s that can by felt for...

Cryptorchidism

...e to the scrotum ; such testicles are termed undescended; the condition, known as cryptorchidism , ... Additional findings include mild pulmonic stenosis and changes in the ECG . Affected people may have abnormal genitalia ( cryptorchidism ), hypogonadism , or delayed puberty . ^ Top ... At b...

Cutaneous

...ry angioplasty (PTCA) Process by which an angioplasty balloon is inserted per cutaneous ly into the arterial system and advanced to the area of stenosis , ... A per cutaneous kidney biopsy is done by inserting a long needle through the back (flank) to remove a sample of kidney tissue . ...

Diagnosis

...004) - This fact sheet discusses the advantages and disadvantages of several colorectal cancer screening tests. Diagnosis of pulmonary valve stenosis begins with the patient's medical history and a physical exam. Tests to confirm the diagnosis include chest x ray, echocardiogram , electrocardi...

Dilation

.... Last updated July 14, 1999 ... HLHS: Dilation of Proximal RPA stenosis - 124 KB HLHS: View Conduit After Dilation of RPA - 185 KB HLHS- Proximal Innominate Artery stenosis and Prominent Right Internal Mammary Artery - 154 KB ... Intact ...

Dilated cardiomyopathy

...etect and evaluate atrial septal defect , dilated cardiomyopathy , congestive heart failure , cardiomyopathy , Lyme disease (secondary), mitral stenosis , and superior vena cava syndrome . ...

Disk

...om the pulse generator under the skin , ... Ruptured or herniated disk Degeneration of the disks Poor alignment of the vertebrae Spinal stenosis (narrowing of the spinal canal) Strain or tears to the muscle s or ligament s supporting the back ... In some inhalers the powder is contained...

Dissect

...g Intra mural Hematoma ( Aortic Dissect ion ) Aortic Insufficiency (Aortic Regurgitation ) Aortic Dissect ion Aortic Regurgitation Aortic stenosis Arrhythmias Arteriosclerosis ( Atherosclerosis ) Atherosclerosis Atrial Fibrillation ... - aortic dissect ion * - aspirin and heart d...
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