Duration of qt interval Study guides, Class notes & Summaries

78 year old who is hemodynamically unstable with altered level of consciousness ventricular hear rate- 50 PR interval- 0.20 QRS duration- 0.08 QT interval- 0.40 - Answer-sinus bradycardia Sinus Bradycardia nursing interventions - Answer-Vitals Attach AED Obtain EKG Notify MD Atropine (0.5 mg adult) Transcutaneous pacing 67 year old patient who is hemodynamically unstable with a weak, thready pulse, feeling "lightheaded" ventricular hear rate- 150 PR interval- n/a QRS duration- n/...

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...

PCCN practice exam notes (2024) with correct answers 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 dysrh...

Basic EKG Questions and Answers Graded A ABC's of Arrhythmias - Rhythm - Rate - "P" Wave - PR Interval - QRS Duration Measure the Intervals Normal PR Interval 0.12-o.20 s (3 - 5 small squares) Normal QRS Complex 0.06 - 0.10 s Normal P wave height and width Height - <2.5mm Width - <0.11 s Normal QT Interval 0.42 s Which arrhythmias have regular rhythms? - Sinus Rhythms - Junctional Rhythms - Ventricular Rhythms - Heart Blocks - Atrial Rhythms Which arrhythmias have Irregularly Irregu...

UCLA EKG Test Questions And Correct Answer 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

AACN Telemetry.04 - correct answer number of seconds of 1 small box .20 - correct answer number of seconds of 1 large box 3 - correct answer tic mark every ___ seconds 0.06-0.10 - correct answer QRS complex 0.30-0.44 - correct answer QT interval R prime - correct answer subsequent upward P waves, PR interval, QRS duration, rate, regularity - correct answer 5 things to look at for every ECG 300, 150, 100, 75, 60, 50 - correct answer what is the HR if a QRS wave is ___ boxes f...

NR 565 - ADVANCED PHARMACOLOGY MIDTERM - CHAMBERLAIN PRACTICE EXAM; MOCK PRACTICE/ QUESTIONS AND ANSWERS, GRADED A+ What are two functions of naloxone when a patient is on buprenorphine? A. Prevention of toxicity B. Stop constipation caused by Buprenorphine C. Cannot readily reverse toxicity already occurring D. Both A and C D. Both A and C 3 multiple choice options Why must an NP be cautious when prescribing medications to the elderly population? A. Due to their diagnosis of dement...

Normal PR segment length 0.12 - 0.2 sec 3 - 5 small boxes Normal QRS interval 0.06 - 0.1 sec 1 - 3 small boxes Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:01 / 0:15 Full screen Normal P amplitude & duration < 0.12 sec (3 small boxes) < 0.25 mV (2.5 small boxes) causes of arrhythmias HISDEBS: hypoxia, ischemia/irritability, SNS, drugs, electrolytes, bradycardia, stretch (hypertrophy/enlargement) symptoms...

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 P...

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...