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PHARMACOLOGY:ANGINA PECTORIS - Coggle Diagram
PHARMACOLOGY:ANGINA PECTORIS
Definition
>clinic syndrome>chest, jaw, shoulder back/ arm pain
Pathophysiology
>endothelial damaged>inflammation>plaque disposition(chole, fibrin)
Aetiology
>atherosclerosis(common), inadequate O2 to the heart
Epidemiology
>Incidence risk>For ALL>esp. young women>Western diet(lifestyle)
Diagnosis
On
Examination
>abnormality of pulses, bruits
Check
risk factors
!
Look out 4
precipating factors
:anaemia,thyrotoxicosis & tachyarrhythmias
Prognosis
Generally Good
Bad: compromised LV function, artery stenosis, damaged myocardium
Investigations
ECG(resting vs Stressed)
CXR
Blood:Cholesterol, glucose & renal function
Risk Factors
ECG: Abnormally resting
LV dysfunction
Clinical:HPT,Diabetes,+ve fam history, age,obesity
Modification
Smoking cessation
Control:HPT,Diabetes & obesity
Lower Lipids
Management(ABCDEF)
Beta blockers
(1st line if no c/i)
>reduce HR & myocardial contraction>decrease O2 demand>delay/avoid angina
C/I
: Asthma, COPD, Bradycardia, Heart block
Effects
: Impotence, bronchospasm, cold peripheries, lethargy
Nitrates
Best: sublingual nitrate
CI
:Hypotension,FOS,Viagra
Vasodilator
Effects
:headache,flushing
Tolerance vs Dependence
Asprin
>COX inhibitor(75-150mg/day)>prevent atherosclerotic plaque formation>protects endothelial function
Prevent MI, Reduce symptoms