Chapter 19 Dizziness and syncope

Question 1

syncope

Answer 1

another term for fainting

a brief loss of consciousness with spontaneous recovery

Question 2

symptoms of syncope

Answer 2

light headed 
dizziness
nausea
weakness
vision changes
sudden pallor (loss of normal skin color)
sweating
sometimes inconsistent bowel or bladder control

Question 3

causes of dizziness and syncope

Answer 3

4 categories

• cardiovascular
• hypovolemic
• metabolic
• environmental / toxicological

Question 4

cardiovascular causes of syncope

Answer 4

can be caused by any alteration of the hearts ability to pump blood through the lungs and body

Question 5

hypovolemic causes of syncope

Answer 5

low blood or fluid volume can cause dizziness when patient attempt to sit up or stand up.

Question 6

metabolic and structural causes of syncope

Answer 6

when the causes of syncope is metabolic, then something is wrong with the brain or the structures near the brain.

brain must be functioning to maintain consciousness

Question 7

environmental and toxicological causes of syncope &

other causes of syncope

Answer 7

alcohol is the most commonly used drug, and when a patient drinks too much it can lead to an altered level of consciousness.

common with carbon monoxide poisoning

Question 8

hyperventilation

Answer 8

can cause syncope by breathing too hard in turn constricting blood vessels and preventing blood flow to the brain. causing a faint, or dizziness