After repeated, successful extradural injections in a parturient, the extradural catheter migrated into the subdural space. The injection of 3% chloroprocaine 10 ml resulted in an extensive block, which extended to the cranial nerves and paralysed the respiratory muscles. The position of the catheter tip was confirmed by fluoroscopy. Subdural injection should always be suspected when tests for ...

Rhinoplasty is one of the most common aesthetic procedures in the world. It is the most common aesthetic surgery procedure in Iran. Achieving complete patient satisfaction is almost impossible but improving the aesthetics and function of the nose is the aim of surgery. This report describes a 34 years old woman with a large bump in the tip of the nose after three times cosmetic rhinoplasties. T...

experience recently. In our case, a 48-year-old man with acute myocardial infarction had a 7F Swan-Ganz catheter placed in the pulmonary artery. Intracardiac knotting was discovered and the catheter was withdrawn slightly leaving the tip in the pulmonary artery. The second day, pericarditis was detected and on the fourth, a small left pleural effusion appeared on roentgenogram. To exclude a pos...

BACKGROUND Although many studies have compared the properties of ultrasonic scaling instruments, it remains controversial as to which is most suitable for implant scaling. This study evaluated the safety and efficiency of novel metallic ultrasonic scaler tips made by the powder injection molding (PIM) technique on titanium surfaces. METHODS Mechanical instrumentation was carried out using fou...

PK and PDwere assessed after subcutaneous injection of NPH insulin 0.35 units/kg at steady-state by pen either resuspended (R+, tipping of insulin pen 20 times) or nonresuspended (penmaintained in fixed position either horizontally [Rhorizontal] or vertically with tip up [Rup] or tip down [Rdown]). Eleven subjectswith type 1 diabetes (age 31.56 12 years, diabetes duration 17.56 7.7 years, BMI 2...

OBJECTIVE Report a case of intravascular contrast injection during lumbar discography. SETTING An academic University spine center. PATIENT Forty-year-old woman with L5-S1 degenerative disk disease and persistent low back pain. INTERVENTION The patient failed to respond to multiple conservative treatments. In consideration of surgical treatment, discography was requested. RESULTS A 22G ...

128 COMMUNICATIONS TO THE EDITOR CHEST, 81: 1, JANUARY, 1982 were normal and the blood pressure was 120/70 mm Hg. The apex beat was dyskinetic and he had an apical 4th heart sound. The ECC showed anterior myocardial infarction. He had a graded exercise test using the Bruce protocol; he ran for eight minutes and reached his target heart rate (180 beats/minute) without chest pain or ST segment ch...