**7. Contraindications and patient risks for pharmacological prophylaxis**

a.Potential contraindications to prescribing enoxaparin or heparin.

Thrombocytopaenia - Low platelet count (<100.000 ui/ml) High risk of uncontrolled hemorrhage or current bleeding Adverse reaction/allergy to enoxaparin or heparin Acute bacterial endocarditis [2]
