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Disorders of the external ear ear-anatomy-baby - Coggle Diagram
Disorders of the external ear 
Ortitis externa
Definition
refers to an infection of the ear canal, the tube leading from the outside opening of the ear in towards the ear drum.
Pathophysiology
is a painful condition caused when irritating or infective agents come into contact with the skin of the external ear
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Signs and symptoms
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pain, tenderness or pulling of the pinna, redness and itching of
the skin lining of the ear
Causes
irritation or an allergic reaction – otitis externa can occur because of a reaction to something that comes into contact with your ears, such as ear medication, ear plugs, shampoo or sweat
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a middle ear infection (otitis media) – discharge produced by an
infection deeper in the ear can sometimes lead to otitis externa
Nursing care plan
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gently remove any discharge, earwax or debris from your vouter
ear using a twist of cotton wool
encourage a patient to remove anything from your affected ear that may cause an allergic reaction, such as hearing aids, ear plugs and earrings
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perichondritis
Definition
It is the infection and the inflammation of the cartilage, pinna and perichondrium
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Nursing care plan
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Nursing diagnosis 2
Anxiety
related to lack of knowledge about the disease, the cause of infection and preventive actions
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Impacted ceruman
Definition
a condition in which earwax has become tightly packed in the external ear canal to the point that the canal is blocked
Pathophysiology
More commonly, impacted cerumen might arise from a failure in the separation of keratinocytes
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Moreover, corneocytes in softer wax seem to undergo
expansion.
However, further studies are required to identify the nature of keratinocytes attachments destroying substance
Signs and symptoms
Rarely, a sensation of imbalance
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Medical management
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Sodium bicarbonate,Or other prescription-strength ear drops and flush wax out
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Ear abcess
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Signs and symptoms
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Tender, warm, and very painful
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Bumpy, red, pus-filled lumps around a hair follicle
Pathophysiology
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A boil, also called a furuncle, is a deep folliculitis, infection of the hair follicle. It is most commonly caused by infection by the bacterium Staphylococcu.s aureus, resulting in a painful swollenarea on the skin caused by an accumulation of pus and dead tissue
Definition
this is a localised form of infection that usually occurs following the infection of a hair follicle