…Narrow complex tachycardias (QRS duration <0,12 seconds) indicate the ventricles are depolarized via the His Purkinje system and thus the impulse originates in the…

…Cardiac troponin levels are extremely low in healthy subjects; the 99 th percentile is less than a few nanograms per liter of blood (typically <5…

Cardiology Introduction Ventricular tachycardia (VT) represents a complex and potentially lethal spectrum of cardiac arrhythmias that remains a formidable challenge in contemporary cardiovascular medicine. As…

…ventricular rate slower than 50 beats per minute. P waves with constant morphology preceding every QRS complex. P wave is positive in limb lead II…

…heart rate 50–100 beats per minute; (2) P wave precedes every QRS complex; (3) the P wave is positive in lead II and (4…

…catheterization. Principles of management of congenital heart disease and GUCH Complex malformations often require intervention (surgical or catheter based intervention). In addition to the malformation…

…heart rate 50–100 beats per minute; (2) P wave precedes every QRS complex; (3) the P wave is positive in lead II and (4…

…demonstrated that these parameters are highly interdependent and rather complex. Indeed, myocardial mechanics constitute a whole research field. Cardiac function is also dependent on circulatory…

…For example, Bazett's formula is only suitable in adults with a heart rate between 60 and 90 beats per minute. Bazett's formula over…

…depolarization in these cells is 60 beats per minute. The resulting P wave is morphologically different from the sinus P wave, but the QRS complex…