Ears, Nose and Throat

Sneeze Reflex, Process and Mechanism

What is a sneeze? A sneeze is a sudden and forceful expiration of air through the nose or sometimes partly through the mouth. Its function is to clear the nasal passages of any irritants. However, sneezing is a common feature of the various nasal disorders even though no irritant is present in the nasal passages. This is >> Read More ...

Smelly Ear – Causes of Foul Ear Odor, Bad Ear Smell

An offensive smelling odor from the ear is often assumed to be a sign of infection but there are a few other non-infectious causes that also need to be considered. The odor may be associated with an ear discharge, ear wax or occur on its own for no clearly identifiable reason. Due to the rather small entrance to the ear >> Read More ...

Swallowing Problems Symptoms and Causes of Trouble Swallowing

Swallowing is a process of moving food and drink from the mouth to the stomach. It is composed of three phases that starts in the throat and extends down to the esophagus. Swallowing is partly voluntary but mainly an involuntary reflex that comprises a well coordinated sequence of events to complete its function. The >> Read More ...

Dysphagia Diagnosis – Examination, Tests, Investigations

Dysphagia, or difficulty swallowing, is any disruption with the process of swallowing or the swallowing reflex. It may either be a partial or total impairment of the swallowing process although the latter is less frequently seen. There are two types of dysphagia which may be due to a number of factors as discussed under >> Read More ...

Throat Problems – Common Symptoms and Causes

The throat (pharynx) is the conduit for air, food and drinks to pass between the environment and the respiratory or gastrointestinal system. Problems in the throat may give rise to a number of signs or symptoms. In addition, given its close interaction with neighboring structures – the mouth, nasal cavity, larynx and >> Read More ...

Hearing Loss Causes of Conductive, Sensorineural Impairment

Hearing loss may be partial or complete (deafness). Conditions affecting the outer ear and middle ear may affect the conduction of sound and is therefore known as conductive hearing loss. Another type of impairment is sensorineural hearing loss, which affects the conversion of mechanical sounds waves into electrical >> Read More ...

Nose Problems – Symptoms and Causes of Nasal Disorders

The nose plays a significant role in respiration (breathing) and the nasal cavity contain the sensory organs for smell. Any disorder affecting the nose can affect both smell and breathing, although the latter may not be significantly impaired as air can pass through the mouth. Most nose problems will present with one or >> Read More ...
1 4 5 6 7 8 11