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head in Medical Dictionary

MRI of the head

MRI of the head Definition: An MRI of the head is a non- invasive procedure that uses powerful magnets and radio waves to construct clear, detailed pictures of brain tissue s. MRI of the Head Alternate Names : Cranial MRI , Head MRI Scan, Magnetic Resonance Im aging - Cranial, MRI ...

Abdominal Pain

...onstipation and abdominal pain s Dizzy spells and fainting Swollen stomach , face and ankles Downy hair on the body; loss of hair on the head when recovering Poor blood circulation and feeling cold Dry, rough, discoloured skin ... A disorder of motility of the entire gastrointe...

Abrasion

...which, in turn, leads to local inflammation of the tendon sheath. Loss of the protection provided by the foreskin can allow abrasion of the head of the penis to occur. This can result is scarring and loss of physical sensation. This type of infection develops when bacteria enter the bo...

Accidents

... brain ( aneurysm ). Acute subdural hematoma s are usually due to severe head trauma . Most concussion s are caused by motor vehicle accidents and...ike vertebral fractures , whiplash (sudden jerking or "whipping" of your head forward and then backward), blood vessel destruction, and even paralysis...

Acidosis

...ng of fat by the body because glucose is not being utilized for energy. It is currently in phase III clinical trials in patients with closed head injury and in phase II trials related to the treatment of stroke patients and the treatment of pediatric patients suffering from congenital ...

Acne

...did then, you can blame it on hormone s. Patients with a history of radiation administered in infancy and childhood for benign conditions of the head and neck, such as enlarged thymus , acne , or tonsillar or adenoidal enlargement, ... Answer: Rosacea , which is also called acne rosacea , i...

Acl injury

...iate Ligament Injury ) Animal Bites Anterior Cruciate Ligament Injury Bee Sting Bites -Human ( Human Bites ) Bone Fracture Brain Injury ( head Injury ) Broken Bone (Bone Fracture ) Broken Hip ( Hip Fracture ) ... An ACL injury may develop into chronic (long-lasting and recurrent) AC...

Aging

...es can include heredity , or a debilitating disease . But there can be other reasons. Aging Alzheimer 's disease Neurodegenerative illness head trauma or injury Hysteria often accompanied by confusion Seizures General anesthetic s such as halothane, isoflurane, and fentanyl Alcohol...

Airway

... airway Put the person on his or her back on a firm surface. Kneel next to the person's neck and shoulder s. Open the person's airway using the head tilt-chin lift. Put your palm on the person's forehead and gently push down. airway opening drugs (bronchodilators) such as aminophylline (Somo...

Alcohol Abuse

...n the mouth should tell the physician about them before starting to take nonsteroidal anti-inflammatory drugs . Cocaine use, alcohol abuse , head injury , and bleeding disorders increase the risk of bleeding into the brain. See also: ... The explosion of narcotic and alcohol abuse in th...

Alcohol withdrawal

...choactive prescription drugs. Seizures may develop as a result of a head injury , brain infection , brain tumor , drug or alcohol withdrawal o...nder age 20. Predisposing factors in other cases include familial history, head injury , alcohol withdrawal , infections (such as meningitis ), ... ...

Alopecia

...h Pustules Alopecia Totalis - Back View of the head Alopecia Totalis - Front View of the head ... ANDROGEN IC ALOPECIA - Hair loss in wo...h pustules Alopecia totalis - back view of the head Alopecia totalis - front view of the...

Alopecia areata

... Alopecia areata with pustules Alopecia totalis - back view of the head Alopecia totalis - front view of the head ... Alopecia areata is a hair loss condition of unknown cause that c...

Alzheimer

...utopsy applications. Alzheimer 's disease Neurodegenerative illness head trauma or injury Hysteria often accompanied by confusion Seizures ... abnormalities to disorders such as Alzheimer 's disease and even closed head injuries . Erectile Dysfunction (ED): Out of the Shadows and into the M...

Amnesia

...ansient global amnesia . Memory loss may also occur after a significant head injury ( concussion ). Amnesia has several root causes. Most are trac...h lip smacking? Did the seizure occur with cheek or tongue biting? head injury ( amnesia , coma , haemorrhage) infection ( encephalitis , men...

Ammonia

...ain bacteria . Serum ammonia levels are usually high. Prothrombin time may be prolonged and not correctable with Vitamin K . CT scan of the head may be normal, or may show general atrophy (loss of tissue ). Lactulose, a synthetic sugar , changes the characteristics of intestinal bacteri...

Amnion

...obstetrics , the caul is the amnion , one of the two fetal membrane s, the other being the chorion. To be born in a caul meant to be born with the head covered by the amnion (or be born within an intact un ruptured amnion ). Damage to the amnion (part of the placenta ) may produce fibrous ba...

Androgen

... androgen ic alopecia ) is considered normal in adult males. It is easily recognized by the distribution of hair loss over the top and front of the head and by the healthy condition of the scalp. ACOG Supports Use of Misoprostol for Medical Abortion and Labor Induction (November 30) Ob-Gyns Seei...

Aneurysm in the brain

...Unstable Angina ) Angina - Variant ( Coronary Artery Spasm ) ... include disorders that may cause obstruction of the flow of CSF, such as closed head injury , surgery on the brain ( craniotomy ), meningitis or similar infections , and subarachnoid hemorrhage ( bleeding from a blood vessel ...

Angiography

...urgery , your health care provider will ask you to sign a consent form for angioplasty , bypass surgery , and angiography . Angiography of the head EEG may reveal focal (localized) abnormalities. Examination of tissue removed from the tumor during surgery or CT scan-guided biopsy is used...

Anterior

...it in a chair and lean forward without tilting the head back. Anterior urethra l cancer In anteri...n ( Human Bites ) Bone Fracture Brain Injury ( head Injury ) Broken Bone (Bone Fracture ) Broken Hip...an area where the bones that form the sides of the head ( left and right parietals) join the one formin...

Anosmia

..., resulting from colds or allergy ). Anosmia occurs in about 10% of head trauma injuries , and head trauma is a leading cause of anosmia in young adults. In older adults, ...

Anterior cruciate ligament

...iate Ligament Injury ) Animal Bites Anterior Cruciate Ligament Injury Bee Sting Bites -Human ( Human Bites ) Bone Fracture Brain Injury ( head Injury ) Broken Bone (Bone Fracture ) Broken Hip ( Hip Fracture ) ... LACHMAN'S TEST - A physical examination technique used to detect injury...

Aorta

...utflow vein of liver connecting liver to vena cava and then to heart . Located on topside of liver . heart , aorta , lungs ), and in the head (e.g., brain, skull , sinus es). It also can be used to detect abnormalities in the neck and spine (e.g., vertebrae , intervertebral discs, spinal ...

Aortic insufficiency

... (causing arrhythmias ) delayed growth and development ( failure to thrive in infancy) ... de Musset sign: Rhythmic nodding or bobbing of the head in synchrony with the heart beat, a sign of aortic insufficiency --incompetence of the aortic valve with aortic regurgitation . ...

Appetite

...problems ... They can have a big appetite with a liking for sweets, cakes and eggs and be overweight . They are easily tired and can suffer with head sweats or joint abnormalities. This will slow down bone loss and keep your weight and appetite under control. It will also make you feel bett...

Ataxia

...ia may appear as a congenital defect, or following a simple viral infection such as chicken pox . It may also appear following encephalitis , head trauma , and disease s affecting the central nervous system or spinal cord. Friedreich's ataxia is an inherited ( genetic ) disorder that cau...

Audiology

.... Audiology /audiometry to test hearing loss head CT scan head MRI scan Blood vessel studies ( angiography ) X-ray s of the head ... An audiology exam tests your ability to h...

Avascular Necrosis

...oms. However, it is important that a hip dislocation be treated within six hours to help prevent avascular necrosis of the femoral (thigh) head and osteoarthritis from occurring in the future. Avascular necrosis , a condition in which the blood supply to the bone near the joint is in...

Balanitis

... infection or inflammation of the skin on the head (glans) of the penis . In men who are not circumc...lanitis ( inflammation of the glans, the rounded head of the penis ) usually occur together as balanopo... prevents infections (called balanitis ) on the head of the penis and reduces chances of penile canc...

Baldness

...ry. BALDNESS and HAIR LOSS ( Alopecia ) SYMPTOMS"It is hair on the head that we are concerned with here. There are several types of hair loss : b...recognized by the distribution of hair loss over the top and front of the head and by the healthy condition of the scalp. Hereditary pattern baldness ...

Bends

...th. A decrease in strength is considered a sign of allergy . Cyto toxic testing. This test is similar to ALCAT. Tonic neck reflex: When a baby's head is turned to one side, the arm on that side stretches out and the opposite arm bends up at the elbow. This is often called the "fencing" position. T...

Benign

...painful spasm ( muscle tightness) and inflammation of muscle s of the head and neck. Tension headache is one of the most common forms of headache ....e main symptom. The sensation often starts suddenly and can be triggered by head movement . Benign Prostatic Hyperplasia (Enlarged Prostate ) What ...

Beta

...e to inhibit re stenosis . Mfg: Novoste Corporation. The Wnt/ beta -catenin signal transduction pathway plays a critical role in axis formation and head versus trunk induction during early vertebrate embryogenesis. - A lack of beta -carotene (pro- vitamin A ), vitamin E , and B complex in lung ...

Bites And Stings

... Exposure, Eye Injuries , Eye Problems , Non injury , Facial Injuries , head Injury , Age 3 and Younger, head Injury , Age 4 and Older, Headaches , Influenza , Insect Bites and Stin...

Bladder

...s. liver , gall bladder , pancreas , spleen , intestine s, reproductive organ s), in the chest (e.g., heart , aorta , lungs ), and in the head (e.g., brain, skull , sinus es). It also can be used to detect abnormalities in the neck and spine (e.g. Bile is a digestive fluid secreted by ...

Blepharitis

... and adults. The condition can be chronic and recur. Blepharitis Some cases of blepharitis are caused by bacterial infection and some by head lice , but in some cases, the cause is unclear. It may also be caused by an overproduction of oil by the meibomian gland s. Blepharitis -- infl...

Blepharospasm

...ndications: symptomatic treatment of cervical dystonia , often referred to as spasmodic torticollis , in adults to reduce severity of abnormal head position and associated neck pain ; treatment of strabismus and blepharospasm ... An eyelid twitch is called a blepharospasm . It happends ...

Blood differential

... White Blood Cell Differential Count Definition ... Blood tests (such as a CBC or blood differential ). CT scan of the head. MRI of the head . Romberg test: the patient is asked to stand erect with the feet together and the eyes closed. The blood differential test measures the relat...

Blood pressure

...ation , and body temperature are checked, and the ear, nose, and throat are scrutinized. The sense of balance is assessed by moving the individual's head to various positions or by tilt-table testing. A blood pressure gauge ( sphygmomanometer ) registers two readings: The first and higher one is ...
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