Sa node rate Study guides, Class notes & Summaries

Conduction System SA Node AV Node Bundle of His Right and Left bundle branches Purkinje Fibers SA Node primary pacemaker rate 60-100 Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:00 / 0:15 Full screen AV Node slightly delays impulse from atria to ventricles Bundle of His conducts impulses to left and right bundle branches Purkinje Fibers relay impulses to ventricular myocardium Depolarization ...

Clinical Guidelines in Primary Care 4th Edition Hollier Test Bank Clinical Guidelines in Primary Care 4th Edition Hollier Test Bank Chapter 1 Cardiovascular Disorders MULTIPLE CHOICE 1.The nurse is aware that the muscle layer of the heart, which is responsible for the hearts contraction, is the: a. endocardium. b. pericardium. c. mediastinum. d. myocardium. ANS: D The myocardium is the specialized muscle layer that allows the heart to contract. 2.The nurse clarifies that the mast...

PCT NHA Exam Questions and answers, 100% Verified. Graded A 1. The lavender-topped tube contains: a. No additive b. SPS c. Na+ citrate d. EDTA - -d. EDTA 1. The additive in a gray-topped tube is: a. K+ oxalate b. Na+ citrate c. EDTA d. None of the above - -a. K+ oxalate 1. Which of the needle has the largest gauge? a. 16 g b. 20 g c. 21 g d. 25 g - -a. 16 g 1. Which of the following gauge needle is used for the typical adult venipuncture? a. 23 g b. 16 g c. 21 g d....

Excitability - Answer- the ability of non-pacemaker heart cells to respond to an electrical impulse that begins in pacemaker cells. Depolarization - Answer- occurs when the normally negatively charged cells within the heart muscle develop a positive charge. Conductivity - Answer- the ability to send an electrical stimulus from cell membrane to cell membrane. As a result, excitable cells depolarize in rapid succession from cell to cell until all cells have depolarized. Ex: the wave of depol...

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...

Describe treatment of dysrhythmias correct answer: To determine if treatment is necessary, assess the patient. Then ask the following questions: Is he or she experiencing signs and symptoms of decreased cardiac output? Is the dysrhythmia potentially life threatening? If the answer to either of these questions is yes, the patient will need to treatment for the dysrhythmia. ***WE WILL DISCUSS TREATMENTS OF DYSRHYTHMIAS BASED UPON CURRENT ACLS TREATMENT ALGORITHMS CLINICAL MANIFESTATIONS ...

What period follows depolarization of the myocardium and represents a period during which no new cardiac potential can be propagated? Correct! Refractory Threshold Sinoatrial (SA) Hyperpolarization During the refractory period, no new cardiac action potential can be initiated by a stimulus. This selection is the only option that accurately identifies the period described in the question. Question 2 2 / 2 pts What is the suggested mean blood pressure for an 8- to 9-year-old ch...

BKAT ICU Post Test Exam 2023 With 100% Correct Answers. Nitroprusside purpose - correct answer decreases preload and afterload by vasodilation (mainly afterload) Dobutamine mechanism of action - correct answer contractility Dopamine at a low-end dose "renal dose" - correct answer 0.5-4mcg/kg/min increases renal and mesentric perfusion Dopamine at a mid-range dose - correct answer 4-10mcg/kg/min increases contractility and heart rate Dopamine at a high-range dose - correct answer greate...

Prophecy EKG Exam With 100% Correct Answers 2023 Normal sinus rhythm - Correct Answer-Regular Rate: 60-100 P Wave: Present, upright PR Interval: 0.12-0.20 sec QRS: <0.12 sec Sinus Bradycardia - Correct Answer-Regular Rate: <60 P Wave: Present, upright PR Interval: 0.12-0.20 sec QRS: <0.12 sec Sinus Tachycardia - Correct Answer-Regular Rate: 100-150 P Wave: Present, upright PR Interval: 0.12-0.20 sec QRS: <0.12 sec Premature Atrial Contraction - Correct Answer-IRREGUL...

NREMT Advanced-EMT Exam 2023 Initial Assessment: B-SMNAC - ANS-- BSI (body substance isolation); - Scene Safety; - Mechanism of Injury (MOI)/Nature of Illness (NOI); - Number of Patients; - Assistance (additional units, Fire, Police, etc.); - C-spine (and/or C-collar) Initial Assessment: G-CAAT - ANS-- General Impression; - Chief Complaints, Life Threats (hemorrhage); - AVPU; - ABC's (airway, breathing, circulation); - Transport Decision (Load and Go or Stay and Play) Components of...