Background. Ipsilateral phrenic nerve blockade is a common adverse event after an interscalene brachial plexus block. which can result in respiratory deterioration in patients with preexisting pulmonary conditions. Diaphragm-sparing nerve block techniques are continuing to evolve. https://www.roneverhart.com/Ted-Lasso-Pregame-Energy-Drink-Cans-12-Pack/