Ephedra intermedia is a dioecious plant of the Ephedraceae family whose male and female plants are quite similar in shape, but their biochemical differences are not known. The subject was the TLC and GC-MS study of fatty acids, phenols, essential oils, and alkaloids in male and female shoots of E. intermedia. Male and female shoots were collected from Markazi province in Iran, in spring. Alcoho...

A previously healthy 29-year-old man was admitted with palpitations, dizziness, and near-syncope after he had recently started taking weight loss pills purchased on the internet. The pills contained caffeine and ephedrine. An electrocardiogram and telemetry revealed multiple episodes of non-sustained monomorphic ventricular tachycardia, which was successfully treated with amiodarone. In conclus...

Introduction IT is well known to practising ophthalmologists that ephedrine is less effective as a mydriatic in subjects with deeply coloured irides than in those with light irides. This observation was first reported by Howard and Lee (1927), who stated that there was a distinct difference between Caucasians with light coloured irides and Chinese with dark irides, the former responding to smal...

BACKGROUND AND OBJECTIVE: Hypotension after spinal anesthesia is a common and potentially dangerous complication, prompt and accurate prevention and treatment of which are of paramount importance. In the recent studies there have been conflicting results regarding the efficacy of phenylephrine and ephedrine in the prevention and treatment of hypotension after spinal anesthesia. Thus, in this st...