Normal cardiac impulse - Study guides, Class notes & Summaries

A nurse is teaching a client with lower extremity weakness how to use a 4-point crutch gait. Which of the following instructions should the nurse include in the teaching? A. "Support the majority of your weight on the axillae." B. "Keep your elbows extended." C. "Bear weight on both of your legs." D. "Move both crutches forward at the same time." - C. "Bear weight on both of your legs." A nurse is monitoring a client's laboratory results. Which of the following results should the...

P wave -ANSWER -Impulse at SA node -Last .10 secs .10 seconds -ANSWER Duration of P wave PR interval -ANSWER - Measured at the beginning of P wave through beginning of QRS -Lasts between .12-.20 seconds .12-.20 -ANSWER Duration of PR Interval QRS complex -ANSWER -Measured from Q to S -.04-.10 seconds .04-.10 -ANSWER QRS complex duration ST Segment -ANSWER -Measured from end of QRS to onset of T -Duration of .08 secs .08 secs -ANSWER ST length Normal Sinus -ANSWER -...

What is ARVD and when does it occur? - Arrhythmogenic Right Ventricular dysplasia; occurs when the RV myocardium is replaced by fatty and fibrotic tissue What are afterdepolarizations? - Abnormal secondary voltage depolarizations during the cardiac action potential What are the two types of afterdepolarizations? - EADs (early after depolarizations) and DADs (delayed afterdepolarizations What does the QT interval represent? - ventricular depolarization and repolarization What is antedromic co...

TEST BANK - ALL ATI MED SURG PROCTORED EXAM 2019 CARDIOVASCULAR HEALTH STUDY GUIDE QUESTIONS AND ANSWERS (100%CORRECT). ATI MED SURG PROCTORED EXAM 2019 – CARDIO STUDY GUIDE A nurse is performing discharge teaching with a client who has an implantable cardioverter defibrillator (ICD) placed. Which client statement indicates effective teaching? Correct response: • "I'll keep a log of each time my ICD discharges." The nurse is caring for a client scheduled for a transesophageal echoca...

Which of the following statements is true about insulin and parenteral nutrition? (Select all that apply.) a. The amount of parenteral insulin is adjusted based on the previous 24-hour laboratory values. b. Insulin may be added to a parenteral nutrition solution. c. Subcutaneous insulin is used on a sliding scale during parenteral nutrition. d. Supplemental insulin is rarely required for patients receiving parenteral nutrition. e. Lingering hyperglycemia after parenteral nutrition has ...

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...

CCTC NUR 221 UNIT 2: MANAGEMENT OF PATIENTS WITH ALTERATIONS IN FLUID AND GAS TRANSPORT: CARDIOVASCULAR (TEST 2) Exam Questions And Answers (Verified And Updated) 3 layers of the heart - answerepicardium, myocardium, endocardium diastole: - answerperiod of ventricular relaxation resulting in *ventricular filling* Systole: - answerperiod of *ventricular contraction* resulting in ejection of blood from the ventricles into the pulmonary artery and aorta depolarization- - answerExchange of...

Midterm/ Final Exam: NR 509 / NR509 (Latest 2023/2024) Advanced Physical Assessment Quiz Bank | Questions and Verified Answers with Rationales | Chamberlain College A patient has been diagnosed with venous stasis. Which of these findings would the nurse most likely observe? a. Unilateral cool foot b. Thin, shiny, atrophic skin c. Pallor of the toes and cyanosis of the nail beds d. Brownish discoloration to the skin of the lower leg Answer: D A brown ...

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...

Health Assessment Exam 3 test bank questions and answers 100% verified. While auscultating the heart at the third intercostal space, left sternal border, the nurse notes a high-pitched, scratchy sound that increases with exhalation with the client leaning forward. The nurse would document which of the following? A) Pericardial friction rub B) Midsystolic click C) Summation gallop D) Aortic ejection click - correct answers.A) Pericardial friction rub During chest auscult...

DAANCE: ALL MODULES EXAM STUDY GUIDE 2023/2024 LATEST Pulmonary artery - CORRECT ANSWER-One of two arteries that carry venous (oxygen poor) blood from heart to lungs What type of intubation is preferred with emesis with aspiration? - CORRECT ANSWER-ETT. LMA or combitube acceptable. What emergency would a cricothyrotomy typically be performed? - CORRECT ANSWER-Airway obstruction Atropine would be given in which emergency? - CORRECT ANSWER-Symptomatic bradycardia Adenosine would be ...

HEALTHSTREAM TELEMETRY & ECG EXAM 2023/2024 Mechanical & Electrical Activity - CORRECT ANSWER-- Correlation between the electrical and mechanical functions of the heart - Electrical activity stimulates the heart to contract - Electrocardiogram (ECG) show both functions - Electrical pulse= action potntial Cardiac Monitoring - CORRECT ANSWER-- Used to diagnose dysrhythmias, chamber enlargement, MI/myocardial ischemia, monitor effects of electrolyte imbalances of medication administrat...