Objective To study characteristics and outcomes among patients with in-hospital cardiac arrest (IHCA) due to pulmonary aspiration. Design A retrospective observational study based on data from the Swedish Registry of Cardiopulmonary Resuscitation (SRCR). Setting The SRCR is a nationwide quality registry that covers 96% of all Swedish hospitals. https://www.littletreehouselanes.shop/product-category/insulated-baby-bottle-holder/