At toxic doses, tricyclic antidepressants (TCAs) cause blockade of sodium channels, muscarinic receptors, and alpha-adrenergic receptors. Slowed ventricular contraction, tachycardia, and vasodilation

Placement of an ultrasound-guided peripheral intravenous line (USPIV) is a common and relatively safe procedure. Don't fall into bad habits that lead to unsuccessful placement. Review the most common