Heart Rhythm

Hearts should have normal rhythm to their beats, but when these beats are out of synch, it causes inefficient pumping of blood. Irregular heart arrhythmias occur when the electrical signals that coordinate the heart's beats do not work properly. This can cause beats that are too fast (tachycardia), or too slow (bradycardia). Tachycardias include atrial fibrillation (AFib), supraventricular tachycardia, ventricular fibrillation, and ventricular tachycardia (VT). Bradycardias include sick sinus syndrome and conduction block. Electrophysiology arrhythmia treatments include medications, life style changes, and the EP lab interventions of catheter ablation, and implantable pacemakers or defibrillators.

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Slow heart rates reported in COVID-19 patients treated with lopinavir, ritonavir

Treating critically ill COVID-19 patients with a combination of lopinavir (LPV) and ritonavir (RTV) is associated with a significant risk of bradycardia, according to new research out of France.

July 9, 2020
approved approval

Abbott’s line of next-generation heart rhythm devices gains FDA approval

The devices offer numerous new features, including an improved battery, MRI compatibility and Bluetooth connectivity.

July 6, 2020

Study shows COVID-19 can infect heart cells—and do serious damage in the process

COVID-19 has the potential to infect cardiac cells, causing changes in their ability to function after just 72 hours. 

July 1, 2020
Hypertension patients measured their blood pressure less frequently during the early months of the COVID-19 pandemic, according to new research published in Hypertension. In addition, when those patients did measure their blood pressure, the readings were less healthy than they had been before the pandemic.

Cardiologists shed new light on COVID-19 and cardiac arrhythmias

A higher rate of cardiac arrhythmias has been observed in hospitalized COVID-19 patients, but new research suggests there’s more behind that trend than the virus itself.

June 23, 2020

Azithromycin associated with greater risk of cardiovascular death, but not sudden cardiac death

Outpatient prescriptions for azithromycin are associated with an increased risk of cardiovascular mortality, according to new research published in JAMA Network Open.

June 17, 2020
New data from the American Heart Association (AHA), published Jan. 25, 2023, in Circulation, suggests it resulted in a significant increase in the number of patients dying from cardiovascular disease (CVD) and a higher age-adjusted mortality rate. Oxygen Mask

Dexamethasone improves outcomes for critically ill COVID-19 patients

Why dexamethasone could be a legitimate game-changer in the fight against COVID-19—and an update on the FDA and hydroxychloroquine.

June 17, 2020
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Cardiologist makes history, performs first cardioneural ablation in US

A cardiologist at the University of Chicago Medicine has performed the first cardioneural ablation in U.S. history, using it to “rewire” the heart of a patient suffering from vasovagal syncope.

June 12, 2020
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What new research tells us about catheter ablation and atrial fibrillation

Treating atrial fibrillation (AF) patients with catheter ablation is associated with a decreased risk of mortality, heart failure admission and stroke, according to new findings published in the Journal of the American Heart Association.

June 3, 2020
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