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FC - Endocrinology > SIADH > Flashcards

SIADH Flashcards

1
Q

What is the definition of SIADH?

A

Euvolaemic Hypotonic hyponatriaemia

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2
Q

Give 3 causes of SIADH?

A

Drug-induced: anti-psychotics, SSRI
Trauma: Head injury
Malignancy: Small cell lung cancer
Infection: TB

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3
Q

SSx of SIADH?

A 
Asymptomatic
Nausea/Vomiting
Muscle cramps
Confusion
Drowsiness
Seizures (if severe)
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4
Q

Investigations for SIADH?

A

Serum and urine osmolarity
Serum Na
Urine Na

Further Ix to rule out other causes:

1) CXR/ CTAP
2) 9am cortisol
3) TFT

ECG –> monitor cardiac arrhythmias

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FC - Endocrinology (10 decks)

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