QRS Study guides, Class notes & Summaries

Baycare EKG Test(solved)2024 Absent P-wave - Irregular Pulse - HR > 100-200 bpm Atrial Fibrillation - Rapid HR - 240-350 bpm w/ a saw tooth pattern * Type I 240-350 * Type II >350 Atrial Flutter 00:54 01:07 *Bizarre QRS. -Sometimes looks like an upside down QRS Premature Ventricular Complex...

Normal Length for PR, QRS, and QT intervals. correct answers PR 0.12-0.20 sec, QRS 0.08-0.12 sec, and QT interval less than or = to 450 ms or half the R-R interval Big box on ECG readings = ___ seconds? correct answers 0.20 seconds Little boxes on ECG readings = ____ seconds? correct answers 0.04 seconds The mA that achieves capture is the _______ _________ correct answers pacing threshold Defibrillation energy settings (biphasic and monophasic) correct answers biphasic 120-200 j and...

sinus rhythm regular rhythm Set by SA node at 60 to 100 bpm P waves normal normal qrs PR 0.12 - 0.2 normal qrs less than 0.10 wide qrs is greater than 0.12 Sinus Tachycardia 100-160 bpm SA node reduced time for ventricle filling assess for SOB or chest pain a prolonged QT interval more prone to arrhythmia NSR reflects the heart's normal electrical activity, providing synchrony between the atria and the ventricles. Sinus tachycardia occurs when the sinus no...

ATI CARDIAC Questions and Verified Answers| 100% Correct| Grade A (2023/ 2024) Q: A nurse is caring for a client who has heart failure and whose telemetry reading displays a flattening of the T wave. Which of the following laboratory results about the nurse anticipate as the cause of this ECG change? A. Potassium 2.8 mEq/L B. Digoxin level 0.7 ng/mL C. Hemoglobin 9.8 g/dL D. Calcium 8.0 mg Answer: A Q: A nurse is providing teaching to a client who has anemia and a new prescri...

CARDIAC HEALTHSTREAM TELEMETRY EXAM Q & A 2023/2024 Normal Conduction System - CORRECT ANSWER--SA Node = Primary Pacemaker of the Heart, rate of 60-100 bpm -Internodal Pathways = Pathways connecting SA Node and AV Node -AV Node = Backup pacemaker, rate of 40-60 bpm -Bundle of His = splits nerve fibers down Left & Right Sides, His-Purkinje is conduction system of heart -L & R Bundle Brancehs = lead to left & right of the myocardium -Purkinje Fibers / Network = ends of the muscle, last...

NSG 5002 Final Exam – Advanced Theoretical Perspectives for Nursing-Questions and Answers/NSG 5002 Final Exam – Advanced Theoretical Perspectives for Nursing-Questions and Answers. As patients that entrust our care to another individual, we always expect honesty to avoid leading us down a deceptive pathway in our healthcare decisions. Adherence to which principle compels providers to be truthful What purpose does the principle of fidelity serve in the provider/patient relationship? We all kn...

BKAT Exam (verified Answers) Graded A+ 2023. What to do first if patient has chest pain. - correct answer Rest! ECG changes in an acute MI - correct answer ST elevation in 2 or more contiguous leads. Ischemia d/t full thickness loss of muscle. EMERGENCY. Inferior leads - correct answer II, III, aVF. RCA occlusion. Septal leads - correct answer V1 & V2. Anterior leads - correct answer V1 - V4. LAD lesion. Lateral leads - correct answer V5, V6, I, and aVL. Circumflex lesion. Cardiac enzyme...

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...

A patient has a transcutaneous pacemaker. Which action should the nurse implement when a pacemaker spike occurs but is not followed by ventricular complex? Assess the heart rate Increase the mA Increase the mV Assess the ECG lead placement - Answer Increase the mA A patient has a transvenous temporary pacemaker in place. Pacemaker spikes are noted on the ECG, but they are not followed by a P wave or QRS complex. Which is initially indicated? Reposition patient on the right side In...

CARDIAC- HEALTHSTREAM TELEMETRY TEST EXAM 2023 along what axis is time measured in an EKG paper? - CORRECT ANSWER-across a horizontal axis what does each small square on an EKG strip represent? - CORRECT ANSWER-1 mm in length 0.04 seconds what does each large square on an EKG strip represent? - CORRECT ANSWER-5 mm in length 0.2 seconds how can a regular rhythm be calculated on an EKG strip? - CORRECT ANSWER-when the rhythm is regular, the heart rate is 250 divided by the number o...