This tool supports structured infectious-disease decision making but does not replace clinician judgement or local guideline pathways.
This OpiCalc infectious-disease entry reflects commonly used guideline criteria and bedside risk features used in contemporary clinical practice.
ESC 2023 IE Risk: Risk features from contemporary infective endocarditis guidance to prioritise urgent imaging and specialist referral.
Prosthetic valve or intracardiac device
+2 Points
Staphylococcus aureus bacteraemia
Embolic event or stroke
Heart failure from suspected IE
+3 Points
Persistent positive blood cultures
New murmur or echo vegetation suspicion
+1 Points
Assessment Tier
Score 0
Lower immediate IE risk profile. Continue diagnostic workup if suspicion persists.