2,446 research outputs found
Learning in a Student-Run Clinic:A new concept to improve medical education in pharmacotherapy
How Far Is Too Far: Analyzing the Collateral Law Applicable in State Court Section 1983 Litigation
How Far Is Too Far: Analyzing the Collateral Law Applicable in State Court Section 1983 Litigation
‘Single’ v. ‘panel’ appointed forensic mental observations: Is the referral process ethically justifiable?
Objective. To compare the outcome and psychiatric morbidity of the forensic mental observation referrals, in the two legally created groups of detainees awaiting trial – the ‘singles’, representing the minor violent and non-violent offenders evaluated by a single-state appointed psychiatrist, v. the ‘panels’, representing the seriously violent offenders evaluated by two or more psychiatrists.Methods. A retrospective record review covered 200 cases, comprising all individuals admitted to the forensic unit of Sterkfontein Hospital for 30 days psychiatric observation from January to August 2010. Pearson’s χ2 test for categorical data were used to determine statistical significance. Results. Of 110 singles, 49 (44.55%) were found fit for trial and 40 (40.4%) were found criminally responsible. Of the 90 ‘panel’ cases 60 (66.67%) were found fit for trial and 57 (64.77%) were found criminally responsible (p=0.002 and p=0.001, respectively) Conclusion. Those charged with seriously violent offences appear more likely to be found both fit and responsible, compared with those charged with less serious offences
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Notations and conventions in molecular spectroscopy: part 1. General spectroscopic notation
The field of Molecular Spectroscopy was surveyed in order to determine a set of
conventions and symbols which are in common use in the spectroscopic literature. This
document, which is Part I in a series, establishes the notations and conventions used for
general spectroscopic notations and deals with quantum mechanics, quantum numbers
(vibrational states, angular momentum and energy levels), spectroscopic transitions, and
miscellaneous notations (e.g. spectroscopic terms). Further parts will follow, dealing inter
alia with symmetry notation, permutation and permutation-inversion symmetry notation,
vibration-rotation spectroscopy and electronic spectroscopy
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Notations and conventions in molecular spectroscopy: part 2. Symmetry notation
The field of Molecular Spectroscopy was surveyed in order to determine a set of
conventions and symbols which are in common use in the spectroscopic literature. This
document, which is Part 2 in a series, establishes the notations and conventions used for the
description of symmetry in rigid molecules, using the Schoenflies notation. It deals firstly
with the symmetry operators of the molecular point groups (also drawing attention to the
difference between symmetry operators and elements). The conventions and notations of the
molecular point groups are then established, followed by those of the representations of these
groups as used in molecular spectroscopy. Further parts will follow, dealing inter alia with
permutation and permutation-inversion symmetry notation, vibration-rotation spectroscopy
and electronic spectroscopy
Case report: Basedow paraplegia: A possible misnomer
Thyrotoxic myopathy frequently occurs in clinical practice; however, the association of hyperthyroidism with a flaccid, areflexic paraplegia, so-called Basedow paraplegia, appears to represent a controversial and doubtful entity. An 18-year-old female with undiagnosed and untreated Graves’ disease presented with acute onset of global weakness predominantly in the lower limbs, but also affecting the upper limbs. The weakness was accompanied by hypotonia and areflexia. Clinically, the patient had a goitre and signs of thyroid ocular disease. Laboratory testing confirmed the presence of hyperthyroidism, and thyroid-stimulating hormone receptor antibodies were positive. The cerebrospinal fluid protein level was raised. The electroneuronographic and needle examinations were compatible with a clear denervation process, such as acute motor axonal neuropathy, a variant of Guillain-Barré syndrome. Intravenous immunoglobulin therapy, carbimazole and propranolol were administered. The occurrence of hyperthyroidism with a flaccid, areflexic paraplegia appears to represent more of a fortuitous than a causative association. It is important to consider and treat other causes, such as acute idiopathic polyneuritis
Comparison of HTLV-associated myelopathy (HAM) in HIV-positive and HIV-negative patients at a tertiary South African hospital
Background. HTLV-1 associated myelopathy (HAM), or tropical spastic paraparesis, is caused by a retrovirus, the human T-cell lymphotropic virus (HTLV). Although patients with HAM and HIV infection have been described, to our knowledge no direct comparison has been made between patients who are HIV positive and suffering from HAM (HHAM) v. those who are HIV negative and suffering from HAM.Aim. We aimed to compare clinical and radiological findings in HIV-positive and -negative patients with HAM.Methods. Adult patients who presented to the Neurology Unit at the Steve Biko Academic Hospital from May 2005 to June 2012 with a progressive myelopathy and HTLV seropositivity were retrospectively identified and their clinical and radiological data were collected and reviewed.Results. 21 patients with HAM were identified, of whom 9 were HIV-positive and 11 HIV-negative. One patient, whose HIV status had not been established, was not included in the study. Although the trend did not reach statistical significance, co-infected patients tended to present at an earlier age (HHAM 6/9 (66%) <40 years old; HAM 2/11 (18%) <40 years old) and presented to hospital earlier (HHAM 6/9 (66%) < 3 years symptomatic; HAM 7/11 (63%) > 3 years symptomatic). Cord atrophy occurred in 7/8 dually infected patients and 8/10 HIV-negative patients.Conclusion. Although the study is limited by the small number of patients, co-infected patients tended to have a younger age of onset and to present to hospital sooner, and thoracic cord atrophy was very common
Reduced volume spray application in South African citrus orchards: effects on deposition quantity, quality and uniformity
AKARI near-infrared spectroscopy of the aromatic and aliphatic hydrocarbon emission features in the galactic superwind of M 82
Aims. We investigate the properties of hydrocarbon grains in the galactic
superwind of M 82. Methods. With AKARI, we performed near-infrared (2.5 - 4.5
um) spectroscopic observations of 34 regions in M 82 including its northern and
southern halos. Results. Many of the spectra show strong emission at 3.3 um due
to polycyclic aromatic hydrocarbons (PAHs) and relatively weak features at 3.4
- 3.6 um due to aliphatic hydrocarbons. In particular, we clearly detect the
PAH 3.3 um emission and the 3.4 - 3.6 um features in halo regions, which are
located at a distance of 2 kpc away from the galactic center. We find that the
ratios of the 3.4 - 3.6 um features to the 3.3 um feature intensity
significantly increase with distance from the galactic center, while the ratios
of the 3.3 um feature to the AKARI 7 um band intensity do not. Conclusions. Our
results clearly confirm the presence of small PAHs even in a harsh environment
of the halo of M 82. The results also reveal that the aliphatic hydrocarbons
emitting the 3.4 - 3.6 um features are unusually abundant in the halo,
suggesting that small carbonaceous grains are produced by shattering of larger
grains in the galactic superwind.Comment: 5 pages, 3 figures, 1 table, accepted for publication in A&
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