Obesity

Question 1

Define:

Answer 1

BMI greater than 30kg/m^2

Or by waist circumference:

• Male - <94cm = low risk >102cm = very high risk
• Female <80cm = low risk >88 cm = very high risk

Question 2

Aetiology/risk factors:

Answer 2

There is a genetic component.

Caused by energy input > energy output

Monogenic causes = leptin deficiency and Prader Willi

Question 3

Epidemiology:

Answer 3

24% of men are obese

25% of women are obese

Question 4

Symptoms/signs:

Answer 4

Noticing you’re fat

Routine health check

Symptoms of complications e.g. diabetes, coronary artery disease and obstructive sleep apnoea

high body weight

High BMI

High waist circumference

Question 5

Investigations:

Answer 5

Measure serum lipids

Measure HbA1c

Hormone profile (may be a hormonal cause of obesity)

TFT’s - hypothyroidism can cause obesity

Other investigations depend on co-morbidities

BMI /waist circumference