Chest pain Flashcards
Systems that can cause ‘chest’ pain
cardiac
respiratory
gastrointestinal
musculoskeletal
Cardiac causes of chest pain
MI
pericarditis
aortic dissection
Respiratory causes of chest pain
PE
pneumothorax
pneumonia
pleural inflammation
GI causes of chest pain
oesophageal spasm/dysmotility/reflux
oesophageal rupture (Boerhaave’s)
Musculoskeletal causes of chest pain
rib fracture/metastasis
muscle spasm/strain
costochondritis
How does ischaemia show on an ECG?
ST depression
How does infarction show on an ECG?
ST elevation
What is the difference between ischaemia and infarction?
ischaemia = blood flow to a tissue has decreased
infarction = blood flow to a tissue has been completely cut off
How does pericarditis show on an ECG?
saddle-shaped ST segments
changes seen on whole ECG - global as pericarditis affects whole heart
How does a PE show on an ECG?
sinus tachycardia
S1Q3T3