Arrhythmia Study guides, Class notes & Summaries

what does each small box represent - .04 seconds what does 1 large box (5 small boxes) represent - .20 seconds what do 5 large boxes represent - 1 second primary pacemaker - SA node w/expected firing rat of 60-100 bpm backup pacemaker - AV node w/expected firing rate of 40-60 bpm final pacemaker - ventricles w/expected firing rate less than 40 bpm a normal PR interval is - .12-.20 seconds a normal QRS interval is - < .12 seconds (.04-.11) a normal QT interval is - .36-.44 seconds

PATH 222 Cardiac Dysrhythmias (Arrhythmias)

cardiac conduction system - primary system correct answer: SA node - beats most rapidly and normally has control (60-100 bpm) cardiac conduction system - secondary system correct answer: AV node (40-60 bpm) cardiac conduction system - last resort correct answer: purkinje fibers (20-40 bpm) bradycardia correct answer: <60 tachycardia correct answer: >100 normal HR correct answer: 60-100 to calculate regular HR correct answer: count the number of small boxes between ...

Hypokalemia and lasix - If pt is Hypokalemic, report to RN before giving Lasix Hypervolemia Causes - CKD, liver disease, cirrhosis, CHF, increased salt intake, COPD Hypervolemia Signs and symptoms - Headache, Confusion, Nausea, Vomiting, Coma Hypovolemia Causes - Vomiting, DM, fever, heat exposure, exercise, no water access, significant injury to skin Moat accurate assessment of water balance - daily weights in similar clothing, same scale, same time- plus or minus 2 lbs per day, plus or m...

Whenever a child has an abnormal heart rate or rhythm, you must quickly determine? - ️️Determine if the arrhythmia is causing hemodynamic instability or other signs of deterioration. What are the signs of instability in a patient with arrhythmias? - ️️Respiratory distress or failure Shock with poor end-organ perfusion, may occur with or without hypotension Irritability or decreased level of consciousness Irritability or decreased level of consciousness chest pain or vague...

PALS 2020 ARRHYTHMIAS QUESTIONS AND ANSWERS

PALS 2024 Exam with all the correct answer Laboratory tests are ordered for a child who has been vomiting for 3 days and is diaphoretic, tachypneic, lethargic and pale. Which test would the provider use to determine the adequacy of oxygen delivery? - answerLactate A provider is forming an initial impression of a child using the Pediatric Assessment Triangle (PAT). During which step of the PAT may the provider use the mnemonic TICLS to assess the patient? - answerAppearance A child being c...

One approach to interpreting the ECG: 1. heart _____ 2. _____ electrical axis 3. _____ 4. criteria for chamber _____ 5. _____ 6. _____, if required - rate; mean; rhythm; enlargement; differentials; treatment On an ECG with normal rhythm and rate, the _____ and _____ heart rates will be similar - average; instantaneous If an ECG has irregular rhythm and/or rate, it is useful to do both the _____ and _____ heart rate - average; instantaneous The MEA give an idea about how the _____ are ...

Advanced Arrhythmias Exam Practice Set Questions With Verified Correct Answers How long is a small box on an ECG rhythm strip? - ANSWER : 0.04 seconds How long is a big box (5 small boxes) on an ECG rhythm strip? - ANSWER : 0.2 seconds How many boxes on an ECG rhythm strip is = to 1 second? - ANSWER : 5 big boxes How do you determine heart rate using the 6 second method? - ANSWER : Count the number of QRS complexes within a 6 second strip and multiply by 10 How do you determine...

. A NURSING 101 Cardiac Arrhythmias Practice Quiz Latest Questions & Answers Latest Update 2024/2025