Endocrinology Flashcards

1
Q

SG water

A

1.000

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2
Q

SG concentrated urine

A

1.025

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3
Q

Normal serum osmolality

A

280-300

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4
Q

Water deprivation test
Central DI
What happens to urine osmolality

A

Doubles

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5
Q

Hypercalcaemia and urine output

A

Can cause polyuria

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6
Q

In complete DI
Urine osmolality compared to serum

A

Urine osmolality not higher than serum

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7
Q

CSW
Serum sodium
Urine output

A

Hyponatraemia (salt wasting)
Polyuria

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8
Q

SIADH
Volume status
Serum sodium
Urine output

A

Euvolaemic
Hyponatraemia
Oliguria

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9
Q

DI
Volume status
Serum sodium
Urine output

A

Often mild/mod dehydration
Hypernatraemia
Polyuria

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10
Q

In congenital hypothyroidism, start thyroxine if TSH >

A

20 (even if T4 normal)

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11
Q

Dawn phenomenon

A

Growth Hormone

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12
Q

Somogyi phemenon

A

Evening hypoglycaemia response

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13
Q

Most common MODY

A

MODY3 - HNF1A mutation

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14
Q

Normal height velocity

A

25th-75th centriole

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15
Q

How frequently do bone age

A

1 yrly intervals

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16
Q

Mini puberty timing

A

2 weeks to 4 months