injuries poisoning
How To Do a Digital Nerve Block
Contraindications
Absolute contraindications History of allergy to the anesthetic agent or delivery vehicle (choose a different anesthetic) Absence of anatomic landmarks needed to guide needle insertion (eg, due to trauma) Relative contraindications Infection in the path of needle insertion: Use How To Do Procedural Sedation and Analgesia or other anesthesia. Coagulopathy*: When feasible, correct prior to procedure, or use a different means of analgesia. * Therapeutic anticoagulation (eg, for pulmonary embolism) increases the risk of bleeding with nerve blocks, but this must be balanced against the increased risk of thrombosis (eg, stroke) if anticoagulation is reversed. Discuss any contemplated reversal with the clinician managing the patient's anticoagulation and then with the patient. 