Basic Dysrhythmia-Relias Exam Questions (29 Terms) With Verified Definitions Updated 2024

failure to sense (pacemaker) {Ans: }Premature Junctional Contraction {Ans: Inverted p wave or hidden p wave PRI<0.12 or none Normal QRS}PVC couplets {Ans: PVC occurring in pairs, no adequate C.O. when this occurs}Premature Atrial Contraction (PAC) {Ans: Heart Rate: Depends on underlying rhythm Regularity: Interrupts the regularity of underlying rhythm P-Wave: can be flattened, notched, or unusual. May be hidden within the T wave PRI: measures between .12-.20 seconds and can be prolonged; can be different from other complexes QRS: <.12 seconds}Ventricular paced rhythm {Ans: ventricular contractions which occur in cases of complete heart block.}Failure to capture (pacemaker) {Ans: }Bigeminy PVC {Ans: every other beat is a PVC}Atrial Flutter {Ans: irregular beating of the atria; often described as "a-flutter with 2 to 1 block or 3 to 1 block"}normal sinus rhythm {Ans: heart rhythm originating in the sinoatrial node with a rate in patients at rest of 60 to 100 beats per minute}First degree heart block {Ans: atrioventricular (AV) block in which the atrial electrical impulses are delayed by a fraction of a second before being conducted to the ventricles}