Rational use of blood: how to do it?

Rational use of blood: how to do it?

Transfusion medicine is a complex process that depends on several professionals. To do it safely, each professional depends not only on their own knowledge and skills, but also the knowledge and skills of the entire team and the efficiency of the system. There is growing recognition of adverse events associated with blood transfusions and several factors may contribute to increase the chances o...

How to Do It

© 2003 Blackwell Publishing Ltd tion for nerve biopsy refl ects the diagnosis most often sought in this context, namely a multifocal neuropathy due to vasculitis, which may be tissue-specifi c. Many other conditions, however, can be diagnosed or suggested by the fi ndings on nerve biopsy (Box 1). The potential usefulness of the investigation must be balanced against the risk of complications (l...

How to Do It

How to Do It

THE PARAMETERS OF SINGLE FIBRE EMG To detect abnormal neuromuscular transmission, two parameters are analysed: ‘jitter’ as an indicator of irregularity of neuromuscular transmission, and ‘blocking’ as an indicator of failure of transmission (Stålberg and Trontelj 1994). Each lower motor neurone arising from an anterior horn of the spinal cord connects with a number of muscle fi bres via the ter...

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