A cardiac stress test is a key tool cardiologists use to detect heart disease early, assess symptoms and guide next steps for better long-term heart health. AT A GLANCE: Cardiac stress tests are an ...

Left bundle branch block (LBBB) occurs when cardiac electrical impulses cannot follow a typical pathway to regulate heart rhythm. It can be a sign of underlying heart disease. Most people with LBBB ...

Impulses, or electrical signals, travel through both the left and right chambers of your heart to make it pump. But if the pathway is blocked, the impulses may move slower than normal or irregularly.

Electrocardiographic (ECG) features of left bundle branch (LBB) block (LBBB) can be observed in up to 20%–30% of patients suffering from heart failure with reduced ejection fraction. However, ...

Northwestern Engineering researchers have developed a new nanoelectronic device that can perform accurate machine-learning classification tasks in the most energy-efficient manner yet. Using 100-fold ...

Ms. S. is a 60-year-old woman admitted with gastroenteritis and hypovolemia in the setting of three days of nausea and diarrhea. She was also found to have atrial fibrillation with rapid ventricular ...

QRS transition criteria during dynamic manoeuvers are the gold-standard for non-invasive confirmation of left bundle branch (LBB) capture, but they are seen in <50% of LBB area pacing (LBBAP) ...

A person with RBBB typically does not have symptoms and may not know they have the condition. On rare occasions, a person may faint due to a severe block, though this is unlikely to occur unless other ...

Brugada syndrome (BS) is a genetic channelopathy, clinically characterized by an increased risk of sudden cardiac death. The diagnosis requires a typical electrocardiographic pattern, and data on risk ...

Left bundle branch block (LBBB) is a type heart block. It results from a problem with the electrical conduction system that enables the heart to beat. It may cause no symptoms, but an ...