D6) Additional factors affecting the cardiovascular system

Question 1

Sudden Arrhythmic Death Syndrome (SADS)

Answer 1

Genetic heart condition
Causes sudden death in young, healthy people
No disease affecting heart structure
Affects the hearts natural normal rhythm becomes disrupted- heart stops beating
e.g. Fabrice Muamba

Question 2

Hypertension

Answer 2

High blood pressure
Too much force can be put on the heart & arteries

Question 3

Hypotension

Answer 3

Low blood pressure
Blood is moving slowly around the body restricting flow of blood to vital organs
Symptoms: feeling dizzy, fainting, tiredness
May find it hard for their heart to respond to exercise
- muscles do not receive the oxygen they require

Question 4

Hyperthermia

Answer 4

Prolonged increase in body temp
CV system controls body temp
Exercising in extreme heat- hard to regulate body temp
Incorrect clothing- may trap heat

Question 5

Hypothermia

Answer 5

Body becomes cold
Core temp below 35°C
Shivering, confusion, reduces BP & arrhythmias
Occurs in cold environments without correct clothing