Osteosarcoma

Introduction Osteosarcoma is the most common malignant primary bone tumour, although they are still very rare. It frequently occurs in late childhood and tends to arise in the metaphyses of the long bones. It...

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Otalgia

Causes Causes of Otalgia Local Causes Causes of Referred Pain Acute otitis externa Acute otitis media Furunculosis Barotrauma Ramsay Hunt Syndrome Neoplasia Perichondritis Myringitis Children Tonsillitis Dental disease / teething Upper respiratory tract infection...

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Other Breast Lumps

Fibroadenoma the most common benign breast lump can occur from any age after puberty most common in the third decade Usually unifocal, but can be multiple. Pathology Made up of both connective and glandular...

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Other Childhood Infections

General Info Neonatal immunity The mother starts providing IgG to the baby at around 20 weeks gestation Levels increase dramatically until birth, where they peak After birth the maternal IgG is gradually removed from...

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Other Coagulation Factor Deficiencies

Factor XI deficiency: mainly found in Ashkenazi Jews, recessive inheritance. Homozygotes <5% levels of factor XI. Factor XI concentrate given. Factor VII deficiency: autosomal recessive, variable bleeding severity, risk of CNS haematoma. Diagnosis by...

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Otitis Media

Introduction Otitis Media is an umbrella term that can refer to several subtypes of middle ear infection and inflammation; acute otitis media, otitis media with effusion, and chronic suppurative otitis media. It is important to...

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Overdose – Common Drugs and Antidotes

Drug Antidote Amitriptyline Sodium Bicarbonate Beta-blockers Glucagon Benzodiazepines Flumazenil Bupivicaine Intralipid Cyanide Hydroxocobalamin / Nitrites (inhaled) Digoxin Digoxin Antibodies Heparin Protamine Hydrofluoric Acid Calcium Iron Desferrioxamine Methanol Ethanol Methaemoglobin Methyline Blue Organophosphates Atropine Opiates...

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Overdose and Poisoning

Opiates Naloxone will reverse the effect of opiate overdose, typically in the presence of CNS and respiratory depression. It competitively binds opioid receptors, causing a blockade Usually given IV for fastest action (<1 min)...

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Overview of Child Development

Introduction This article contains a bit of background info about normal child development. For info on milestones, please see: Gross Motor milestones Fine motor and visual milestones Social, Emotional and Behavioural milestones Hearing, speech...

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