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Epidural Hematoma

By: Administrator, Views: 10675

Epidural hematoma is when bleeding occurs between the tough outer membrane covering the brain (dura mater) and the skull. Often there is loss of consciousness following a head injury, a brief regaining of consciousness, and then loss of consciousness again. Other symptoms may include headache, co...

Sigmoidoscopy

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Sigmoidoscopy is also a diagnostic test for people who have rectal bleeding, a change in bowel habits, or other symptoms. Finding polyps in the lower part of the colon means there is a higher chance of having them elsewhere in the colon.

Asthma Treatment

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Acute exacerbations of asthma can require management in the emergency department. The child is placed in a semisitting position to facilitate respiratory effort.

Cardiac Cycle (Part 1 of 4)

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Blood Flow through the atrium.

Otitis Media

By: Administrator, Views: 10982

Otitis media is a group of inflammatory diseases of the middle ear. The two main types are acute otitis media (AOM) and otitis media with effusion (OME). AOM is an infection of rapid onset that usually presents with ear pain. In young children this may result in pulling at the ear, increased cryi...

Wrist Flexion and Extension Animation

By: Administrator, Views: 566

Flexion describes the movement of bending the palm down, towards the wrist. Extension describes the movement of raising the back of the hand.

Structures of the Eye Animation

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Orbit A cone-shaped cavity in the front of the skull that contains the eyeball. Formed by the combination of several bones and is lined with fatty tissue that cushions the eyeball. This cavity has several foramina (openings) through which blood vessels and nerves pass. Largest opening is the ...

Upper Limb Arteries Animation

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Arteries A branching system of vessels that transports blood away from the heart to all body parts. All arteries have a pulse, reflecting the rhythmical beating of the heart. Arteries Certain points are commonly used to check rate, rhythm, and condition of the arterial wall. Most commonly ...

Cardiac Cycle (Part 2 of 4)

By: Administrator, Views: 10943

Prior to atrial systole, blood has been flowing passively from the atrium into the ventricle through the open AV valve. During atrial systole the atrium contracts and tops off the volume in the ventricle with only a small amount of blood. Atrial contraction is complete before the ventricle begins...