Publication Date

10-1-2023

Journal

Cureus

Abstract

The typical clinical presentation of acute coronary syndrome (ACS) includes chest pain that may radiate to the left arm, shoulder, jaw, and neck, accompanied by diaphoresis, dyspnea, nausea, vomiting, and hiccups, which have been observed as the sole symptom of presentation. The mechanism of hiccups involves the activation of the vagus and phrenic nerves, leading to the activation of the diaphragm and intercostal muscles. Several hypotheses link hiccups to ACS, associating irritation of the left anterior descending artery with activation of sympathetic phrenic and vagal nerves. This case report highlights the occurrence of hiccups in patients with inferior and right ventricular myocardial infarction (MI), indicating possible nerve synapse involvement. Timely recognition of hiccups as a possible atypical symptom of ACS can facilitate early evaluation and management, preventing delays in patient care and ensuring better outcomes.

Keywords

acute coronary syndrome, cardiology, hiccups, myocardial infarction, myocardial ischemia

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