Qrs - Study guides, Class notes & Summaries

EKG Clep Test (50) Questions and Answers 2023-2024 Verified. A+ Graded.Question 1 of 50 CORRECT A normal QRS should be less than .12 seconds Question 2 of 50 CORRECT Identify the rhythm: Question 3 of 50 CORRECT At Houston Healthcare a nurse who is deemed competent in rhythm interpretation is required to sign off his/her strips every shift. Question 4 of 50 CORRECT Identify the rhythm: Question 5 of 50 CORRECT This picture represents (select two): Your Answer True Your Answer True ...

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...

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...

dysrhythmia aka arrhythmia - Correct answer - abnormal cardiac rhythms which can cause disturbances of: rate, rhythm, or both rate and rhythm how are dysrhythmias identified? - Correct answer Electrographic Waveform Analysis (ECG) what controls the rate and rhythm of the heartbeat? - Correct answer the heart's electrical system explain the heart's electrical system - Correct answer Each electrical signal (impulse) begins in a group of cells called the sinus node or sinoatrial (SA...

EKG Strips - Images & Definitions - Atrial Flutter, Atrial Fibrillation, Junctional Rhythm, Accelerated Junctional Rhythm, Junctional Tachycardia Rhythm, Supraventricular Tachycardia, First Degree AV Block, Second Degree AV Blocok Mobitz I (Wenkebach), Second Degree (AV) Block, Third Degree (Complete) Heart Block, Physiologic Q wave, Pathologic Q wave, Ventricular Tachycardia, Ventricular fibrillation, Asystole, Atrial Pacemaker Rhythm, Ventricular Pacemaker Rhythm, Atrioventricular Pacemaker Rh...

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...

AACN AGACNP boards Questions and answers 2023/2024 Pericarditis - correct answer Often present w/ friction rub, sharp CP w/ inspiration, low-grade fever, muffled heart tones, hypotension. Tx w/ colchicine. Pulmonary edema - correct answer Pink/frothy sputum. Tachypnea, dyspnea, b/l wheeze. CXR shows alveolar infiltrates, kerley B lines, and pleural effusions. Cardiac tamponade - correct answer Becks Triad= muffled tones, JVD, HoTN. Narrow pulse pressure. Low C.O., low BP, tachy...

What is the primary pacemaker? Correct Answer: SA Node What is a more medically correct term for the clotting of an artery? Correct Answer: Occlusion When the Atria depolarize (or contract), what is shown on the EKG tracing? Correct Answer: P wave An irregular heartbeat that is common among children is called _____ _____. Correct Answer: Sinus Arrhythmia 1 sm box on an EKG strip denotes 0.04 seconds of time. How long is this represented in millimeters? Correct Answer: 1 mm 2 What is...

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...