Dr. Jeffrey Kalei

Dr. Jeffrey Kalei

Author and illustrator for Hyperexcision. Interested in emergency room medicine. I have a passion for medical education and drawing.

Burns

Overview A burn is defined as the response of the skin, mucous membrane, and subcutaneous tissues to thermal and other few non-thermal injuries. Treatment of burns is complex (hence the need for specialised burn centres), and depends on the site…

Head Injury

Acute subdural hematoma

General principles of head injury Scalp The Scalp is very vascular and bleeds a lot (messy, but rarely causes shock). The patient’s Hx is very important in making the differentials for a head injury. Monroe-Kellie Doctrine The Monroe-Kellie Doctrine states…

Otitis Externa

Otitis Externa Otitis externa is infection (cellulitis) of the external auditory canal. It is classically associated with swimming. The most common cause is bacterial infection. The most common pathogen is Pseudomonas aeruginosa. Diagnosis is clinical. Investigations for otitis externa are…

Fracture Healing

Fracture Healing The type of fracture healing is determined by movement around the fracture site. Movement around the fracture site and healing Degree of movement Consequence Absolute stability and compression Primary healing Relative stability Secondary healing Excessive movement Delayed or…

Strabismus (Squint)

Ophthalmology icon

Nomenclature Suffix AKA Description Features -tropia Manifest deviation Binocular vision cannot be obtained. These patients have persistent symptoms. Persistent symptoms -phoria Latent deviation Binocular gaze may be obtained when both eyes are open and fixating, but when the strabismus eye…