Shorts

In familial hypokalemic periodic paralysis, the primary defect is a decrease in muscle potassium permeability, leading to a reduced efflux of potassium from muscle cells.

Warfarin acts by inhibiting the vitamin K-dependent synthesis of factors II, VII, IX, and X, as well as proteins C and S. This anticoagulant effect decreases the formation of thrombin and fibrin and is used to prevent thrombus formation and embolization in conditions such as atrial fibrillation and heart failure.

Neurofibromatosis type 1 is an autosomal dominant disorder caused by a mutation in the NF1 gene, which produces neurofibromin. The gene is located on chromosome 17.

Chronic bronchitis is most commonly caused by smoking. It is characterized by chronic inflammation of the bronchial tubes, leading to excess mucus production and coughing. Other causes include long-term exposure to irritants like air pollution and repeated respiratory infections.

Amoxicillin, clindamycin, and cephalexin are all commonly recommended as premedications for patients with valvular heart disease or congenital cardiac defects before dental procedures. The choice of antibiotic may depend on the patient's allergies and the type of infection.

The mitral valve is crucial in preventing the backflow of blood from the left atrium to the left ventricle during systole, ensuring that blood flows in the correct direction through the heart during the cardiac cycle.

Acetaminophen is primarily known for its analgesic and antipyretic (fever-reducing) effects. It is a common component in many over-the-counter pain relief medications.

Commonest site maxilla
a. Adamantinoma is a rare tumor arising from the diaphysis of the long bone.

b. The most common long bone affected by adamantinoma is TIBIA.

c. In head and neck , the most common bone affected by adamantinoma is MANDIBLE.

d. In mandible, the most common site is the region of 3RD MOLAR.

e. Classic adamantinomas usually occur in patients older than 20 years, whereas differentiated adamantinomas occur almost exclusively in patients younger than 20 years.

f. In addition, the 2 classifications of adamantinomas have distinct radiographic and histologic differences.

g. Patients with adamantinomas present with variable signs and symptoms; most commonly, they report pain and swelling.

h. The tumor is slow growing, and patients may describe discomfort lasting months to years.

i. Treatment options for adamantinoma are surgical and include either marginal or en bloc resection.

j. Unfortunately, neither radiation therapy nor chemotherapy has been proven effective in the treatment of this insidious tumor.

k. The investigation of choice for adamantinoma is CT SCAN which shows cortical destruction involving the diaphysis of the bone with surrounding periosteal reaction.

l. On x ray there is a characteristic SOAP BUBBLE appearance.