Special Syringe for Skin Tests

Percutaneous vertebroplasty: a special syringe for cement injection.

Percutaneous vertebroplasty is an effective treatment for many focal vertebral lesions. Methyl methacrylate is too viscous to be handled without difficulty in the conventional way because injection time is short. The operator is left with little time and must fumble with multiple syringes. We describe a special screw-system syringe that decreases the effort needed to inject the cement. In addit...

Angiotensin skin tests.

MANY ATTEMPTS have been made to establish the relationship between angiotensin, human hypertension, and experimental hypertension. Three groups have reported the successful demonstration of a pressor material in varying amounts in the blood of patients with benign and malignant hypertension.-3 Boucher, Biron, and Genest2 claim that the material they isolated gave pressor reactions, chemical rea...

New syringe type of microtitre apparatus for virus and other serological tests.

Diagnostic Accuracy of Orthopedic Special Tests for Meniscal Injury

Select copyrighted material from published articles may be included in this CAT for the purpose of providing a context for an informed critical appraisal. Readers are strongly encouraged to seek out the published articles included here for additional information and to further examine the findings in their original presentation. Copyrighted materials from articles included in this CAT should no...

Special considerations in interpreting liver function tests.

A number of pitfalls can be encountered in the interpretation of common blood liver function tests. These tests can be normal in patients with chronic hepatitis or cirrhosis. The normal range for aminotransferase levels is slightly higher in males, nonwhites and obese persons. Severe alcoholic hepatitis is sometimes confused with cholecystitis or cholangitis. Conversely, patients who present so...