Disorders of the heart

Question 1

Hypertension

Answer 1

140/90 high blood pressure

Causes:
- diet,drinking,sedentary,smoking, stress,age,genetics

Symptoms:
- heart palpitations,breathing issues,angina,headaches,nose bleeds.

Prevention:
- lifestyle interventions

Question 2

Hypotension

Answer 2

90/60 mmhg low blood pressure

Causes:
- Age, time of day, temp, medication, illness, endocrine issues

Symptoms:
- confusion,tiredness, fainting, reduction with g force tolerance, coma

Treatment:
- no required usually

Question 3

Baroreceptors

Answer 3

Baroreceptors in walls of arteries detect pressure drop and trigger nervous system

Maintain homeostasis

Located in carotid sinus

Question 4

Baroreceptors for Hypertension

Answer 4

Baroreceptors in wall of artery detect pressure and send impulse to brain to reduce heart rate

• dilation of vessels

Question 5

Baroreceptors for Hypotension

Answer 5

Increase heart rate/vasoconstriction for increase in blood pressure

Question 6

Mycardical Infarction

Answer 6

Coronary artery becomes blocked

Angina (pre warning) - intense pain when exercising