IV cannulation is a common procedure done regularly at almost all medical setups. Following are the complications of IV cannulation: - infection - needlestick injury - phlebitis - thrombophlebitis - emboli - hemorrhage - extravasation - arterial cannulation - hematoma Reference: https://pubmed.ncbi.nlm.nih.gov/9180592/ Image via: https://twitter.com/_hannahneedham_/status/1101419722250350592?lang=fi