Understanding Trousseau's Sign

What is Trousseau's sign an indicator of?

• High magnesium levels

• Dehydration

• Low calcium levels in the blood

• High blood pressure

Which tool is essential for assessing Trousseau's sign?

• Pulse oximeter

• Manual blood pressure cuff

• Stethoscope

• Thermometer

What does a positive Trousseau's sign look like?

• The fingers curl into a fist

• The hand remains relaxed

• The hand draws in towards the body with flexion at the wrist and thumb

• The hand extends outward

Why does occluding the brachial artery lead to Trousseau's sign in patients with low calcium?

• It increases blood flow to the hand

• It causes the muscles to relax

• It leads to muscle spasms due to ischemia

• It decreases nerve sensitivity

What happens to the nerves and muscles in patients with low calcium levels?

• They become less responsive

• They become completely inactive

• They become more irritable and excited

• They function normally