Random Cards Flashcards

1
Q

What does Cushing’s triad (reflex) consist of?

A
  1. Irregular respiratory rate
  2. Hypertension
  3. Bradycardia
    It is a physiological response to raised intra-cranial pressure
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2
Q

What is Beck’s triad?

A

Three medical signs associated with cardiac tamponade:

  1. Arterial hypotension
  2. Distended neck veins
  3. Muffled heart sounds
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3
Q

What is Virchows triad?

A

Factors that contribute to thrombosis:

  1. Stasis of blood flow
  2. Hypercoagulability
  3. Endothelial injury
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4
Q

What is Charcot’s triad?

A

Refers to cholangitis:

  1. Jaundice
  2. Fever (usually with rigors)
  3. Right upper quadrant abdo pain
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5
Q

On an X-ray, what condition is an ‘onion skin pattern’ characteristic of?

A

Ewings sarcoma

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6
Q

On an X-ray, what condition is a ‘sunburst lesion’ characteristic of?

A

Osteosarcoma

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7
Q

What is Takotsubo cardiomyopathy?

A

AKA stress cardiomyopathy, broken heart syndrome or octopus pot cardiomyopathy, is a non-ischaemic cardiomyopathy whereby there is a sudden and temporary weakening of the ventricle which often mimics an acute coronary syndrome

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8
Q

What are the cytochrome P450 inducers? (5)

A
  1. Carbamazepine
  2. Rifampicin
  3. Barbituates
  4. Phenytoin
  5. St. Johns wort
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9
Q

What are the cytochrome P450 inhibitors? (9)

A
  1. Sodium valproate
  2. Ciprofloxacin
  3. Sulphonamide
  4. Cimetidine/omeprazole
  5. Anti-fungals
  6. Amiodarone
  7. Isoniazid
  8. Erythromycin/clarithromycin
  9. Grapefruit juice
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10
Q

Which drugs interact with the cytochrome P450 inhibitors/inducers?

A
Warfarn
COCP
Theophylline
Corticosteroids
Tricyclics
Pethidine
Statins
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