Smart Bed Saves 70-Year-Old Man from Life-Threatening Condition

A smart bed has played a pivotal role in saving the life of a 70-year-old man by detecting a critical heart condition. In a case highlighted in the New England Journal of Medicine, Dr. James Ip, a cardiologist at Weill Cornell Medical College and New York–Presbyterian Hospital, reported that the bed’s monitoring system alerted the man to an unusually low heart rate, prompting immediate medical attention.

The incident unfolded when the man experienced symptoms of shortness of breath and a slow heartbeat, known as bradycardia. A healthy resting heart rate typically ranges from 60 to 100 beats per minute, while severe bradycardia occurs when the rate falls below 40 beats per minute. Earlier that day, the smart bed indicated that the man’s average heart rate from the previous night was recorded at 42 beats per minute, significantly lower than his usual average of 78 beats per minute.

Upon confirming the bed’s reading with a smartwatch and a home blood pressure monitor, the man contacted his doctor, who advised him to seek emergency care. At the hospital, tests reaffirmed his bradycardia, and an electrocardiogram (ECG) revealed a complete heart block. This severe condition occurs when the electrical signals from the heart’s upper chambers are obstructed from reaching the lower chambers, leading to independent heartbeats and a dangerously slow heart rate.

Had the condition gone untreated, it could have resulted in fatal cardiac arrest or heart failure. Fortunately, the man received timely intervention and was fitted with a dual-chamber leadless pacemaker, which is a standard treatment for complete heart block. Following the procedure, his symptoms resolved.

Innovative Technology in Cardiac Monitoring

The smart bed utilized a technology known as ballistocardiography (BCG), which monitors subtle body movements to estimate heart rate. This case underscores the potential of such devices in detecting health issues early. Dr. Ip emphasized the importance of evaluating any sudden occurrence of symptomatic bradycardia, particularly when supported by confirmatory electrocardiography.

“Although asymptomatic bradycardia during sleep is common, the sudden occurrence of unexpected, symptomatic bradycardia warrants evaluation,” Dr. Ip noted. BCG is increasingly incorporated into consumer products, including beds and wearable devices. While these technologies should not replace professional medical assessments, they can serve as valuable early warning systems.

Dr. Ip further stated, “Increasing awareness of these tools can help patients and clinicians manage cardiac arrhythmias based on wearable-directed medical care.” This incident illustrates the evolving landscape of personal health technology, empowering patients to take an active role in monitoring their health and seeking timely medical intervention.

The man involved in this case may now view his smart bed as more than just furniture; it has become a lifesaving device.