What is diabetes? Flashcards

1
Q

Symptoms of hyperglycaemia

A

polydipsia

polyuria

blurred vision

weight loss

infections

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2
Q

Long term microvascular complications of hyperglycaemia

A

retinopathy

neuropathy

nephropathy

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3
Q

long term macro-vascular complications of hyperglycaemia

A

stroke

MI

peripheral vascular disease

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4
Q

What two things do you measure when diagnosing diabetes?

A

blood glucose

HbA1c

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5
Q

What is Hb1Ac?

A

glycated haemoglobin

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6
Q

What does Hb1Ac give an indication of?

A

blood glucose levels over the last 8-12 weeks

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7
Q

When can Hb1Ac NOT be used for diagnosis?

A

children

pregnancy

short duration of symptoms

acutely ill diabetic patients

Renal failure

HIV

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8
Q

About 88% of diabetes is type ……..

A

two

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9
Q

About 10% of diabetes is type ……..

A

one

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10
Q

Development of T1DM requires what 3 factors?

A

genetic pre-disposition

trigger (viral infection?)

autoimmunity

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11
Q

What effect does insulin have on adipose tissue?

A

reduced lipolysis

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12
Q

what effect does insulin have on the liver?

A

reduces glucose production

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13
Q

What effects does insulin have on muscle?

A

increases glucose uptake

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14
Q

diabetic ketoacidosis is a common feature in

A

T1DM

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15
Q

clinical presentation of T1DM

short duration symptoms

A

thirst

tiredness

polyuria

weight loss

blurred vision

abdominal pain

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16
Q

clinical presentation of T1DM

on examination

A

Ketones on breath

Dehydration

increased respiratory rate, tachycardia, hypotension.

Low grade infections, thrush

17
Q

increased insulin resistance is critical in

A

T2DM

18
Q

T2DM symptoms

A

MAY HAVE NO SYMPTOMS

thirst

tiredness

polyuria

weight loss

blurred vision

19
Q

T2DM signs

A

not ketotic

overweight

low grade infections

20
Q

T2DM risk factors

A

overweight

family history

over 30

previous history (pregnancy_

lack of exercise

previous high BP

21
Q

What is MODY?

A

Maturity onset diabetes in the young

22
Q

MODY results in imparied ….. …….. function

A

beta cell

23
Q

what two types of mutations are involved in MODY?

A

glucokinase

transcription factor

24
Q

Secondary diabetes mellitus is characteristic of ………. destruction

A

pancreatic

25
Q

diagnostic HbA1c is less than or equal to

A

48mmol/l

26
Q

you can diagnose diabetes in two ways:

A

1 diagnostic lab test WITH symptoms

2 diagnostic labs tests WITHOUT symptoms