P wave qrs wave t wave - Study guides, Class notes & Summaries

Prophecy EKG/ 55 Questions with Answers & Images/ 2025. Normal sinus rhythm Regular Rate: 60-100 P Wave: Present, upright PR Interval: 0.12-0.20 sec QRS: <0.12 sec Sinus Bradycardia Regular Rate: <60 P Wave: Present, upright PR Interval: 0.12-0.20 sec QRS: <0.12 sec Sinus Tachycardia Regular Rate: 100-150 P Wave: Present, upright PR Interval: 0.12-0.20 sec QRS: <0.12 sec Premature Atrial Contraction IRREGULAR Rate: depends on underlying rhythm P...

SHARP EKG Exam Questions And Answers What are the two basic kinds of cardiac cells? - ANS 1. myocardial muscle cells 2. myocardial pacemaker cells What are the 4 primary cell characteristics? - ANS 1. Automaticity 2. Excitability 3. Conductivity 4. Contractility What are the two major ions that affect cardiac function? - ANS 1. sodium 2. potassium What are the primary ions inside the cell? - ANS Potassium What are the primary ions outside the cell? - ANS Sodium D...

Advent Health EKG (New 2023/ 2024 Update) Questions and Verified Answers with Diagrams and Illustrations_ 100% Correct QUESTION Junctional Tachycardia Answer: Same criteria as Junctional Rhythm, except the Ventricular rate is 100-150 QUESTION Premature atrial complexes Answer: The impulse is an irritable focus within the Atrium which fires prematurely and produces a single ectopic beat • Key to diagnosis: early P wave noted, which may appear slightly diff ...

Relias Dysrhythmia Basic A Exam Questions and Answers Normal sinus rhythm - Answer- Regular Rate: 60-100 P Wave: Present, upright PR Interval: 0.12-0.20 sec QRS: <0.12 sec Sinus Bradycardia - Answer- Regular Rate: <60 P Wave: Present, upright PR Interval: 0.12-0.20 sec QRS: <0.12 sec Sinus Tachycardia - Answer- Regular Rate: 100-150 P Wave: Present, upright PR Interval: 0.12-0.20 sec QRS: <0.12 sec Premature Atrial Contraction - Answer- IRREGULAR Rate: depends on un...

a wide, bizarre QRS usually occurring earlier than expected with T wave in opposite direction? tx?Answer - PVC (premature ventricular contraction); no tx (may just be dehydrated) -subacute/s. viridans endocarditis treatmentAnswer - PCN OR ampicillin + gentamycin infection of the endothelium/valves 2ndry to colonization (during transient/persistent bacteremia)Answer - Endocarditis MC valve involved in infective endocarditis in non IVDAAnswer - mitral valve M>A>T>P MC val...

NU 606 Exam 3 Questions with Verified Answers- Regis. What are the two layers of the pericardial sac ️ outer fibrous pericardium anchors the heart to diaphragm visceral pericardium (epicardium) has a serous membrane what is unique about cardiac muscle (myocardial fibers) ️ - no nerves are present intercalated discs at the junctions between fibers (they contain desmosomes, connections to prevent muscle cells from separating during contraction, and gap junctions, which permit ions to ...

Relias Dysrhythmia Basic Test Answers normal sinus rhythm heart rhythm originating in the sinoatrial node with a rate in patients at rest of 60 to 100 beats per minute Sinus Arrhythmia Appearance is ALMOST NORMAL: Respiratory – Circulatory interaction Rate INCREASES with INSPIRATION (IN=IN) Sinus Bradycardia <60 normal sinus rhythm Sinus Tachycardia >100 (100-150) normal sinus rhythm Premature Atrial Contraction (PAC) Heart Rate: Depends on underlying rhythm ...

In patients with CHF and LBBB that are severely symptomatic, properly performed CRT-P (without defib) reduces sudden death and mortality by: - 40-50% Three reasons to use multipolar CS/LV leads in resynchronized therapy are: - Stimulate LV in area of lowest threshold, stimulate LV in area of greatest asynchrony, prevent phrenic nerve stimulation by changing the LV pacing vector Implanting the LV lead in small diameter coronary veins, which type of resynchronization lv lead design generally has...

UCLA EKG Test Questions And Answers, All Verified AV node rate 40-60 bpm SA node rate 60-100 bpm Purkinje fibers rate 20-40 bpm PR interval is from _ to _? beginning of P wave to beginning of Q wave QRS interval is from _ to _? beginning of Q to end of S QT interval is from _ to _? beginning of Q to end of T PR interval normal duration 0.12-0.20 s QRS normal duration 0.04-0.12 s QT interval normal duration 0.36-0.44 Normal Sinus Rhythm (N...

ventricular filling QRS Complex Normal is <0.12 seconds usually between 0.06 to 0.10 seconds Ventricular depolarization QT Interval Normal 0.36-0.46 6 Steps for Rhythm Interpretation Determine Regularity Calculate the Rate Evaluate the P wave Measure the PRI Evaluate the QRS Width Evaluate the T wave and Calculate the QTI Normal Sinus Rhythm Regularity: atrial and ventricular rate are regular Rate: 60 to 100 beats per minute P wave: upright, smooth, round and uniform shape, on...