Nonsteroidal Anti-inflammatory Drugs

Mar 20, 2017 by in PAIN MEDICINE Comments Off on Nonsteroidal Anti-inflammatory Drugs

(1) Department of Anaesthesia, Royal Free Hospital, London, UK   NSAIDs act through inhibition of cyclooxygenase enzyme (COX-1 and COX-2), thus inhibiting prostaglandin synthesis. Arachidonic acid is a polyunsaturated fatty…

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Opioids

Mar 20, 2017 by in PAIN MEDICINE Comments Off on Opioids

(1) Department of Anaesthesia, Royal Free Hospital, London, UK   An opioid is a substance that shows affinity for opioid receptor. Though they are very effective in the management of…

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Glutamate and GABA Receptors

Mar 20, 2017 by in PAIN MEDICINE Comments Off on Glutamate and GABA Receptors

(1) Department of Anaesthesia, Royal Free Hospital, London, UK   Glutamate and GABA receptors are amino acid neurotransmitters present in the central nervous system. They are involved with nociception at…

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Serotonergic Receptors

Mar 20, 2017 by in PAIN MEDICINE Comments Off on Serotonergic Receptors

(1) Department of Anaesthesia, Royal Free Hospital, London, UK   Serotonin is a transmitter found in the central nervous system. It is involved with nociception at the peripheral and spinal…

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Potassium and Calcium Channels

Mar 20, 2017 by in PAIN MEDICINE Comments Off on Potassium and Calcium Channels

(1) Department of Anaesthesia, Royal Free Hospital, London, UK   K channels are present in all the cells and maintain resting membrane potentials. Closing of K channel leads to depolarisation….

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Sodium Channels

Mar 20, 2017 by in PAIN MEDICINE Comments Off on Sodium Channels

(1) Department of Anaesthesia, Royal Free Hospital, London, UK   Action potential is initiated by voltage-gated sodium channels. Alterations in channel properties can contribute to inflammatory and neuropathic pain. Voltage-gated…

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Imaging

Mar 20, 2017 by in PAIN MEDICINE Comments Off on Imaging

(1) Department of Anaesthesia, Royal Free Hospital, London, UK   11.1 X-Rays It uses ionising radiation. The density of tissue is proportional to the degree to which the beam is…

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Assessment of Pain in Elderly

Mar 20, 2017 by in PAIN MEDICINE Comments Off on Assessment of Pain in Elderly

(1) Department of Anaesthesia, Royal Free Hospital, London, UK   Life expectancy is increasing and people are living longer. At the same time, the incidence of persistent pain is increasing….

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Pain Assessment in Paediatrics

Mar 20, 2017 by in PAIN MEDICINE Comments Off on Pain Assessment in Paediatrics

(1) Department of Anaesthesia, Royal Free Hospital, London, UK   Pain assessment in children is difficult. Pain is a subjective experience, and children may not be able to provide adequate…

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Pain Pathway

Mar 20, 2017 by in PAIN MEDICINE Comments Off on Pain Pathway

(1) Department of Anaesthesia, Royal Free Hospital, London, UK   The pathway can be divided into peripheral and central. Peripheral pathways are the first point of contact for the painful…

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