A junctional escape complexA collection of waveforms (i.e. QRS complex and the ECG complex). 1. Six Second ECG Guidebook (2012), T Barill, p. 194 (JEC) typically arrives to help sustain a rhythmOften refers to a discernible pattern in time or distance between QRS complexes and/or P waves. that is faltering. It often arrives after the sinus node experiences either an exit block or a temporary arrest (pause). The JEC helps maintain adequate blood flowThe purpose of the cardiac cycle is to effectively pump blood. The purpose of the cardiac cycle is to effectively pump blood. The right heart delivers deoxygenated blood to the lungs. Here oxygen is picked up and carbon dioxide is.... Similar to a PJCA narrow QRS complex that arrives distinctly earlier than expected can be a premature atrial complex or a premature junctional complex (PJC). A PJC can be preceded by an inverted P wave, no P wave (timing places the inverted P..., a JEC combines a narrow QRS complexThe electrical representation of ventricular depolarization; the atrial repolarization is also a part of the QRS. ECG interpretation relies heavily on the QRS complex. The QRS complex represents the depolarization of the ventricles. The repolarization of the atria is also... with an inverted or absent P waveA wave generated from the depolarization of the atria; the P wave is upright when originating from the SA node. The P wave represents the depolarization of the right and left atria. The P wave begins with the first deviation.... JECs are often associated with sinus node disease or toxicities that effect the heart’s nodalCommonly refers to the junction; for example, junctional rhythm is also known as nodal rhythm; may also refer to the sinoatrial node. 1. Six Second ECG Guidebook (2012), T Barill, p. 200 cells i.e. digitalis, amiodarone, calcium channel blockers. JECs can continue dependably – called a junctional escape rhythmA cardiac rhythm that arises when higher – faster – pacemaker sites fail to initiate an impulse; for example, if the SA node fails to fire, the junction most often begins to fire at a rate of 40-60/minute – called... or simply a junctional rhythmA cardiac rhythm that occurs as a backup pacemaker when the sinus node fails to initiate an impulse; the junction typically fires at 40-60/minute; the P wave is either absent or inverted. A cardiac rhythm is usually named first by....
ECGElectrocardiogram; also called an EKG; a representation of electrical voltage measured across the chest over a period of time. 1. Six Second ECG Guidebook (2012), T Barill, p. 196 Sim Rhythm Deck