Emergency Medicine Flashcards
How is the power of the median nerve tested?
OK sign
How is the sensation of the median nerve tested?
Palmar aspect of index finger
How is the dosing of adrenaline altered for cardiac arrest with hypothermia of <30 degrees?
Drugs contraindicated
How is the power of the radial nerve tested?
Thumbs up
How is the sensation of the radial nerve tested?
First web space on dorsal aspect of hand
How is the power of the ulnar nerve tested?
Finger abduction
How is the sensation of the ulnar nerve tested?
Palmar aspect of fifth finger
How does IV glucagon manage beta blocker overdose?
Stimulates adenylate cyclase to increase cAMP to increase rate and force of cardiac contraction
How does theophylline overdose present?
Respiratory alkalosis
Vomiting
Agitation
Dilated pupils
Hyperglycaemia
Tachycardia
Which nerve is responsible for the sensation of the lower hemimandible?
Inferior alveolar nerve (part of CNV)
How is the dosing of adrenaline altered for cardiac arrest with hypothermia of 30-35degrees?
Dosage interval is doubled
When is hyperbaric oxygen considered for CO poisoning?
Pregnant patient
Cardiovascular dysfunction
Severe poisoning
- current or previous syncope
- psychiatric or neurological features
- blood COHb >20%
What is anterior cord syndrome?
Infarction of the cord supplied by the anterior spinal artery can cause paraplegia with loss of spinothalamic pathways but preservation of dorsal columns
What is the first line treatment of ethylene glycol toxicity?
IV fomepizole
Why is sodium bicarbonate used in aspirin overdose?
Alkalinises the urine, thus increasing renal excretion
