Junctional escape rhythm - Study guides, Class notes & Summaries

Automaticity correct answer: Ability to initiate an impulse at a regular interval; "pacemaker" Excitability correct answer: Ability of the heart to respond to a stimulus Conductivity correct answer: Ability of the heart to transmit an electrical impulse from one cell membrane to another Contractility correct answer: The ability of the heart muscle cells to shorten in response to an electrical stimulus Refractoriness correct answer: "Resistant to"; cannot respond to a stimulu...

The technologist should document all of the following activities of the patient EXCEPT for? a. coughing ing positions c. Switching from N1 to N2 d. Sleep onset - correct answer c. switching from N1 to N2 Delta waves must be how many microvolts (uV) in amplitude to count toward stage N3 sleep percentages? a. 75 mv b. 30 mv c. 100 mv d. 55 mv - correct answer A. 75 uV Which of the following arrhythmias qualifies as a medical emergency? a. Premature atrial beats b. Unsustained si...

CRAT Exam 150 Questions with Verified Answers What pacemaker complications involves irregular pacemaker intervals with slower that set rate impulses and no visual packer spike? - CORRECT ANSWER Malfuctioning Potassium and __________ are needed in order for the heart to function normally - CORRECT ANSWER Calcium Premature atrial contractions are rarely dangerous but with what condition could this be an early sign of heart failure or electrolyte imbalance? - CORRECT ANSWER Acute myocardia...

A branch of the _______________ supplies the right atrium and right ventricle with blood. correct answer: right coronary artery (RCA) Stimulation of parasympathetic nerve fibers typically results in which of the following actions? correct answer: Slowed conduction through the atrioventricular (AV) node The contribution of blood that is added to the ventricles and results from atrial contraction is called correct answer: atrial kick. Which of the following are semilunar valves? correc...

CSCT EXAM PREP WITH COMPLETE SOLUTIONS GRADED A+

CRAT exam 1|100 Questions with Verified Answers 1. When the technician is performing a 12 lead EKG, how many electrodes are used to record the 12 views of the heart? A. 8 B. 10 C. 12 D. 24 - CORRECT ANSWER B.10 2. Segments and waveforms on an ECG would include all but which of the following? A. PR interval B. QRS complex C. TB wave D. QT interval - CORRECT ANSWER C. TB wave 3. In measuring ventricular regularity if there is no R wave what could be measured instead? A. P wav...

ECG Strip Interpretation questions and answers well illustrated. Normal PR segment length - correct answers.0.12 - 0.2 sec 3 - 5 small boxes Normal QRS interval - correct answers.0.06 - 0.1 sec 1 - 3 small boxes Normal P amplitude & duration - correct answers.< 0.12 sec (3 small boxes) < 0.25 mV (2.5 small boxes) causes of arrhythmias - correct answers.HISDEBS: hypoxia, ischemia/irritability, SNS, drugs, electrolytes, bradycardia, stretch (hypertr...

Telemetry Test 88 Questions with Verified Answers Medications for pulselessness (asystole, Vfib, PEA): - CORRECT ANSWER Epinephrine, Amiodarone Medications for slow rhythms (sinus brady, junctional escape, idioventricular, blocks) - CORRECT ANSWER Atropine, epinephrine infusion, dopamine Medications used for fast rhythms (Afib, Aflutter, SVT, junctional tachycardia): - CORRECT ANSWER Cardizem, Amiodarone, Digoxin, Betablockers, adenosine, lidocaine, Procainamide Inherent SA node rate...

Dysrhythmia Flex Education STUDY GUIDE |100% Correct| ___ ___ is the amount of blood pumped by the LV with each contraction or beat. *Ans*stroke volume ___ ___ is the number of times the LV contracts in 1 minute; the normal rate is 60-100 *Ans*heart rate ___ ___ occurs before normal firing of SA node usurping the normal pacemaker and can originate from atrial, junction, or ventricles. *Ans*premature beat (PAC, PJC, PVC) ___ ___ occurs from one of the lower pacemaker sites due ...

SVT - ANSWER PVC - ANSWER V Tach - ANSWER PJCs - ANSWER Junctional Escape Rhythm - ANSWER SVT - ANSWER SVT - ANSWER Second degree heart block type 1 (Wenkebach) - ANSWER Second degree heart block type 1 (Wenkebach) - ANSWER Third degree heart block - ANSWER Sick Sinus Syndrome - ANSWER Torsades - ANSWER Idioventricular Rhythm - ANSWER Idioventricular Rhythm - ANSWER Second degree heart block type 1 (Wenkebach) - ANSWER Third degree heart block - ANSWE...