L and r bundle branches - Study guides, Class notes & Summaries

EKG Certification Exam Questions & Answers 2024 Left Ventricular Hypertrophy - ANSWER-R wave in V5 is increased and S wave in V1 is increased Both are added together and should be greater than 35 mm Describe the placement of the V5 Lead - ANSWER-5th intercoastal space halfway between V4 and V6 on the L side of the heart _________is when the PR interval becomes longer and longer until a beat is skipped - ANSWER-2nd Degee AV block: Mobitz 1 What does Systolic blood pressure mean? - ...

BIO 669 Quiz 4- Cardiovascular Latest;(2024/2025) Questions and Answers / 100% Correct/ (78 Q & A) BIO 669 Quiz 4- Cardiovascular Latest;(2024/2025) Questions and Answers / 100% Correct/ (78 Q & A) 1. Which of the following conditions is the most immediately at risk for serious complications? a. Unstable angina b. Prinzmetal angina c. STEMI d. NSTEMI 2. Thromboangiitis obliterans (Buergers disease) is an autoimmune condition that is: a. A result of over activation of ...

SA node correct answers pacemaker, 60-100bpm,Depolarization R atria, p wave, AV node correct answers Gatekeeper, intraseptal, Allows delay for blood so no back up, 40-60 bpm Bundle of His correct answers Intraventricular, 40-60bpm, sends to purkinje fibers for ventricular depolarization L and R bundle branches correct answers 20-40bpm, Purkinje fibers correct answers 20-40bpm, ventricular depolarization (QRS) complex Preload correct answers LVEDP determined by LVEDV Afterload c...

CSEP CEP Study Guide Exam Questions & Answers 2024/2025 Autorythmic - ANSWERSSelf Exciteable, and repeatedly generate action potential eg. natural pace maker Cause of fundamental heart rhythm - ANSWERSNOT by nerve impulses or hormones, rather electrical impluse SA Node - ANSWERSMain natural pacemaker, faster conduction than autorhytmic fibres The Heart's electrical flow - ANSWERSSA Node to AV Node - AV Node to AV Bundle - Bundle of HIS to L and R branches to Apex and Purkinje FIbr...

Where and why are lumbar punctures performed? - Answer- Spinal Block -> Anesthetic (into epidural space) Spinal Tap -> CSF extraction (into subarachnoid space)W B/W L3/L4 or L4/L5 NB: Posterior to this is *cauda equina* Where does a *herniated intervertebral* disk occur? What causes it? - Answer- Occurs b/w L4/L5 or *L5/S1* and C5/C6 or C6/C7 NB: affects lower spinal nerve # Degeneration of annulus fibrosis followed by *sudden compression* of nucleus pulposus What is the dif...

UCLA Phlebotomy Exam 4 | Questions and Verified Answers| 100% Correct| A Grade (2024/ 2025) Left AV valve function closes when the left ventricle contracts and prevents blood from flowing back into left atrium QUESTION Pulmonary semilunar valve Answer: between right ventricle and pulmonary artery -at the entrance of pulmonary artery QUESTION right semilunar valve function Answer: closes when the right ventricle relaxes and prevents blood from flowing back t...

NURS 420 Exam #1 Questions and Answers | 100% Verified and Updated a wide QRS is defined as - Answer-greater than .12 sec Conduction system of the heart - Answer-SA node, AV node, bundle of His, r and l bundle branches, and Purkinje fibers What is the P wave of an ECG? - Answer-atrial depolarization What is the QRS complex of an ECG? - Answer-ventricular depolarization and atrial repolarization What is the T wave of an ECG? - Answer-ventricular repolarization PR interval - Answer-delay ...

Cardiac Telemetry Exam Questions And Answers Normal Conduction System -SA Node = Primary Pacemaker of the Heart, rate of 60-100 bpm -Internodal Pathways = Pathways connecting SA Node and AV Node -AV Node = Backup pacemaker, rate of 40-60 bpm -Bundle of His = splits nerve fibers down Left & Right Sides, His-Purkinje is conduction system of heart -L & R Bundle Branches = lead to left & right of the myocardium -Purkinje Fibers / Network = ends of the muscle, last escape pacemaker sites rat...

Arrhythmias correct answers not a normal heart rhythm can be benign or life threatening result in a decreased Cardiac Output (CO) and decreased tissue perfusion unstable correct answers only treat if p.t is not ___ so have to have symptoms like diahorhesis, hypotension, pale automaticity correct answers ability of cardiac cells to initiate electrical impulse (heart beat): _____ contractility correct answers ability to shorten in response to electrical impulse: ______ conductivity c...

What are the 6 parts of the cardiac conduction cycle? correct answer: -SA node -Internodal pathways -AV node -Bundle of His -R and L bundle branches -Purkinje fibers What is the SA node? correct answer: -Small cluster of cells located in the upper R atrium *-Pacemaker of the heart* What are internodal pathways? correct answer: Impulses sent by the SA node that travel through the atrial muscle fibers via the intra-atrial pathways Allows for simultaneous depolarization and contra...