JUNIPER PUBLISHERS-OPEN ACCESS JOURNAL OF CARDIOLOGY & CARDIOVASCULAR THERAPY Introduction Chest pain is one of the most common complaints for patients presenting to the hospital. It can be a manifestation of coronary artery disease, acid peptic disease, pleuritis, or musculoskeletal problems. Patients with obstructive sleep apnea may present with chest pain and heart block but lack typical features such as day-time sleepiness, poor concentration, fatigue, and restlessness. Obstructive sleep apnea can cause these problems due to episodes of transient nocturnal hypoxia. Patient report A 44 year-old gentleman with hypertension and obesity, presented with episodic chest pain, lasting from a few minutes to hours, mostly at night time for the last 3-4 weeks. His body mass index (BMI) was more than 50. His EKG showed third degree heart block. He was admitted to telemetry for further management. During his hospital stay, he had intermittent chest pain while his ca...