Duration of qrs complex Study guides, Class notes & Summaries

Pt on Vtach, HR 135, RR 32, BP 90/48, conscious but c/o dizziness, recent K+ lvl is 3.4. What action would you do first? a. emergent defib b. amio 300mg IVP c. emergent cardioversion d. hang 10 mEq KCL/50mL D5W CORRECT ANSWER C The nurse notes the following when analyzing a patient's telemetry strip: HR, 65/min and regular; PR interval, 0.22 seconds; QRS complex, 0.10 seconds; QTc, 0.52 seconds. Which of the following dysrhythmias is the patient at risk for? A. Atrial fibrillation bec...

AV Node Reentry Tachycardia (AVNRT) correct answers- accounts for ~60% of arrhythmias presenting as SVT or paroxysmal atrial tachycardia (PAT) - affects all age groups and genders equally - no correlation with heart disease - heart rate 150-250 bpm, palpitations, light-headedness, near-syncope, narrow QRS complex rheobase correct answerslowest point on a strength duration curve at an infinitely long pulse duration; for cardiac pacing, the rheobase is usually reached between 1-2ms chrona...

Pacemaker o :# SA Node Backup to SA node Impulse pauses to prevent simultaneous contraction of the atria and ventricles o :# AV Node Why is the SA node the primary pacemaker? o :# The SA node has the highest intrinsic rate of any cardiac tissue Intrinsic rate of SA node o :# 60-70 per minute Intrinsic rate of AV node o :# 50 per minute Intrinsic rate of myocardium o :# 30 per minute The wave of contraction or depolarization moves from the endocardium to the 2024/2025 2 | P a g e ...

Pt on Vtach, HR 135, RR 32, BP 90/48, conscious but c/o dizziness, recent K+ lvl is 3.4. What action would you do first? a. emergent defib b. amio 300mg IVP c. emergent cardioversion d. hang 10 mEq KCL/50mL D5W - Answer C The nurse notes the following when analyzing a patient's telemetry strip: HR, 65/min and regular; PR interval, 0.22 seconds; QRS complex, 0.10 seconds; QTc, 0.52 seconds. Which of the following dysrhythmias is the patient at risk for? A. Atrial fibrillation because th...

Cardiac Conduction Pathway System SA node> AV node> Bundle of His> Left and Right bundle branches> Purkinjie fibers Pacemakers of the heart Natural: SA Node = 60-100 beats/minute Backup: AV Node = 40-60 beats/minute Backup: Purkinje Fibers (ventricles) = 20-40 beats/minute Brainpower Read More SA Node • Intrinsic Pacemaker of the heart • Rate 60-100 beats/min • RA (Right Atrium), close to SVC (Superior Vena Cava) • Blood supply from RCA (Right Coro...

EKG Kaiser Study Guide questions with 100% correct answers 2024Cardiac Conduction Pathway System - correct answer SA node> AV node> Bundle of His> Left and Right bundle branches> Purkinjie fibers Pacemakers of the heart - correct answer ♥ Natural: SA Node = 60-100 beats/minute Backup: AV Node = 40-60 beats/minute Backup: Purkinje Fibers (ventricles) = 20-40 beats/minute SA Node - correct answer • Intrinsic Pacemaker of the heart • Rate 60-100 beats/min • RA (Righ...

  1. A nurse is assessing for compartment syndrome in ANSWER;Pain that client who has a short leg cast. Which of the following increas-es with findings should the nurse identify as a manifestation of this condition? Bounding pedal pulse Capillary refill less than 2 seconds Pain that increases with passive movement Areas of warmth on the cast 2. A nurse is providing teaching to a client who has a severe form of stage II Lyme disease. Which of the following statements made by th...

PCCN Practice Exam Notes (2024) with Complete Solutions PCCN Practice Exam Notes (2024) with Complete Solutions PCCN Practice Exam Notes (2024) with Complete Solutions Pt on Vtach, HR 135, RR 32, BP 90/48, conscious but c/o dizziness, recent K+ lvl is 3.4. What action would you do first? a. emergent defib b. amio 300mg IVP c. emergent cardioversion d. hang 10 mEq KCL/50mL D5W - ANSWER-C The nurse notes the following when analyzing a patient's telemetry strip: HR, 65/min and ...

CCI Echocardiography Practice Questions with Complete Solutions Which Aortic leaflet is the superior one in the PSLA Right Leaflet Name the tricuspid leaflets Posterior and Anterior The coronary arteries come off of the.. Sinus of Valsalva Name the vessels coming off the arch and the most proximal or distal. Innominate (proximal), left carotid, and the left subclavian (distal) What cardiac pathology is associated with bicuspid aortic valves? Coarctation of the Aorta Where do ...

Pt on Vtach, HR 135, RR 32, BP 90/48, conscious but c/o dizziness, recent K+ lvl is 3.4. What action would you do first? a. emergent defib b. amio 300mg IVP c. emergent cardioversion d. hang 10 mEq KCL/50mL D5W - C The nurse notes the following when analyzing a patient's telemetry strip: HR, 65/min and regular; PR interval, 0.22 seconds; QRS complex, 0.10 seconds; QTc, 0.52 seconds. Which of the following dysrhythmias is the patient at risk for? A. Atrial fibrillation because the PR in...