Wearable Cardioverter Defibrillator Sojin Y. Wass Mina K. Chung KEY POINTS Wearable cardioverter defibrillators (WCDs) can detect and defibrillate ventricular tachycardia and ventricular fibrillation, but are unable to protect against…
Emerging ECG Recording Technologies Stavros Stavrakis KEY POINTS A variety of handheld electrocardiogram (ECG) devices are available, all of which produce diagnostic quality lead I single-lead ECGs. Most of these…
Current and Future Needs of Ambulatory ECG Takanori Ikeda KEY POINTS In the last 10 years, remarkable progress has been seen in the ambulatory electrocardiogram (ECG). When used for 24…
Vital Signs and Parameters Reflecting Heart Failure Status Kartik S. Telukuntla W. H. Wilson Tang KEY POINTS The most common reason for heart failure hospitalization is elevated intracardiac pressures. Wearable…
Understanding Technology and Equipment S. Suave Lobodzinski KEY POINTS Electrocardiogram (ECG) leads are the electrocardiographer’s electric windows into the heart’s electric activity, not wire-electrode assemblies. Torso modifications of limb leads…
Cybersecurity of Cardiac Wearable and Implantable Devices Jean-Philippe Couderc Alex Page Mark Manning KEY POINTS Cybersecurity in health care is a growing threat, with the cost of breaches estimated to…
Assessment of Therapeutic Efficacy Jeremy W. Docekal Matthew Needleman Jonathan S. Steinberg KEY POINTS An ambulatory ECG (AECG) plays an important role in assessing the efficacy and safety of a…
Measurement of Autonomic Tone in Cardiac Implantable Electronic Devices Larisa G. Tereshchenko KEY POINTS Autonomic tone is continuously monitored on modern cardiac implantable electronic devices (CIEDs). Standard deviation of 5-minute…
Prognosis and Risk Stratification: Clinical Indications and Results Iwona Cygankiewicz KEY POINTS The highest risk of sudden cardiac death (SCD) is attributed to survivors of cardiac arrest, and these patients…
Arrhythmia Diagnosis: Clinical Indications and Implications Andrew H. Locke Peter Zimetbaum KEY POINTS Correlating symptoms with electrocardiographic data is the sine qua non of proper utilization of remote electrocardiography (ECG)…
