Difference between stable and unstable angina

true or false: unstable angina is unpredictable whilst stable angina is more predictable

true - happens suddenly and worsens over time (unstable)

symptoms of stable angina occur when the heart works harder. what are the stable angina triggers

• physical activity

• emotional stress

• after meal

• cold weather

symptoms of unstable angina can occur when at rest. what are the unstable angina triggers

none

• can develop without obvious triggers and persist when resting

how long do unstable anginas last for vs stable anginas

• unstable lasts longer than few minutes

• stable does not occur more frequently or worsen over time

why must unstable angina for treated as an emergency

because unstable angina attack may lead to heart attack

• refer to NSTEMI treatment

true or false: stable angina also requires emergency intervention

false - can be medically managed so does not require emergency intervention

is this for stable or unstable angina:

• chest discomfort provoked by exertion and alleviated by rest or GTN

• presents with symptoms of MI but only small/no rise in troponin or without ECG trace changes

• stable

• unstable

(respectively)