EAR, FOREIGN BODY IN
ECG
To view the ear canal and eardrum, an
otoscope
may be used. To obtain images
of the middle and inner ears,
X-rays, CT
scanning,
or
MRI
may be carried out.
Hearing and balance can be assessed
by means of
hearing tests
or
caloric
tests. Electronystagmography
assesses
balance by watching eye movements
when water is inserted into the ear.
ear, foreign body in Foreign bodies
can easily enter the ear canal. Children
often insert objects into their ears, and
insects may crawl or fly in. Objects in
the ear must be removed by a doctor.
This can be done by
syringing of the ear
or by using fine-toothed
forceps.
Insects
can sometimes be floated out with olive
oil or lukewarm water,
ear, nose, and throat surgery See
otorhinolaryngology.
ear piercing Making a hole in the ear-
lobe or another part of the external ear
to accommodate an earring,
ears, pinning back of See
otoplasty.
earw ax A yellow or brown secretion,
also called cerumen, produced by glands
in the outer ear canal. Some people
produce so much wax that it regularly
obstructs the canal. Excess earwax may
produce a sensation of fullness in the
ear and partial
deafness.
Prolonged
blockage may irritate the canal.
Wax that causes blockage or irritation
may come out after being softened with
oil. Othenvise, it should be removed by
a doctor. This is usually done, after wax
is softened, by
syringing of the ears.
eating disorders Illnesses character-
ized by obsessions with weight and
body image. Eating disorders are most
common in young adolescent females
but can affect males. In
anorexia ner-
vosa,
patients, despite being painfully
thin, perceive themselves as fat and
starve themselves. Binge-eating follow-
ed by self-induced vomiting is a major
feature of
bulimia,
although, in this dis-
order, weight may be normal. Both
conditions may occur together. In mor-
bid
obesity
there is a constant desire to
eat large quantities of food.
Ebola fever A dangerous and highly
contagious viral infection that causes
severe
haemorrhaging
from the skin
and
mucous membranes.
Ebola fever
occurs predominantly in Africa. There is
no specific treatment for the disease,
which is fatal in many cases,
ecchymosis The medical term for a
bruise
that is visible through the skin,
eccrine gland A type of
sweat gland.
ECG The abbreviation for electrocardio-
graphy, a method of recording the
electrical activity of the
heart
muscle.
ECG
190
previous page 188 BMA Illustrated Medical Dictionary read online next page 190 BMA Illustrated Medical Dictionary read online Home Toggle text on/off