acute coronary syndrome Flashcards
what is usual cause
usually result of thrombus from a atherosclerotic plaque blocking coronary artery
what does right coronary artery supply
right atrium
rigt ventricle
inf L venticle
posterior septal area
what does L coronary artery split into
circumflex a
left anterior descedning a
what does circumflex ca supply
’’’
left atrium
posterior L ventricle
what des left anterior desc artery supply
ant L ventricle
anterior septal area
symptoms of ACS
central chest pain N&V sweating, clamminess SOB palpitation pain jaw, arm
STEMI ECG features
ST elevation
new left bundle branch block
NSTEMI ECG features
ST depression
T wave inversion
pathological Q waves
L coronary artery occlusion
anterolateral
I, aVL, V3-V6
left anterior descending occlusion
anterior
V1-V4
circumflex occlusion
lateral
I, aVL, V5, V6
right coronary artery occlusoin
inferior
II, III, aVL
alternative causes raised troponin
chronic renal failure sepsis PE aortic dissection myocarditis
investtigations
ECG troponin FBC U&Es LFTs lipids, HbA1c, thyroid ECHO CXR CTCA
acute STEMI treatment
primary PCI if available within 2hr presentation
thrombolysis if outwith 2hrs