Anterior leads Study guides, Class notes & Summaries

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...

1. A nurse is teaching the parent of an infant about "Give the infant ways to prevent sudden infant death syndrome (SIDS). a pacifier at bed- Which of the following instructions should the nurse include? "Place the infant in a prone position to sleep." "Allow the infant to sleep on a large pillow." "Use a soft mattress in the infant's crib." "Give the infant a pacifier at bedtime." 2. A nurse in an emergency department is caring for a school-age child who is experienci...

A nurse is caring for an older adult client who has pneumonia. Which of the following physiologic changes associated with aging places the client at a greater risk for pneumonia? A. Decreased anterior-posterior diameter B. Increased diameter of the small airways C. Decreased number of cilia D. Increased alveolar surface area - Answers >>C. Decreased number of cilia Decreased anterior-posterior diameterA physiologic change associated with aging is a calcification of the bronchial and costal...

PCCN Master Questions (Cardiac**, Pulmonary*, Endocrine, Neurology, Renal, GI, Hematology, Electroytes, Medications) with Complete Solutions PCCN Master Questions (Cardiac**, Pulmonary*, Endocrine, Neurology, Renal, GI, Hematology, Electroytes, Medications) with Complete Solutions PCCN Master Questions (Cardiac**, Pulmonary*, Endocrine, Neurology, Renal, GI, Hematology, Electroytes, Medications) with Complete Solutions 1. Cardiac - ANSWER-1. Cardiac Pt's EKG shows ST elevation i...

CRAT exam: ECG Interpretation7 steps, analyzing 12 lead ECG 1. Determine ECG rhythm or regularity 2. Determine atrial ventricular rate. 3. Identify a P-wave morphology. 4. Measure the PR interval. 5. Measure the QRS duration, analyze the morphology. 6. Evaluate the leads in groups. 7. Identify the morphological changes. 12 lead ECG reading BIG LIE, LITTLE LIE, SAY, ALL Big LIE I: lateral II: inferior III: inferior LITTLE LIE aVR: not used for MI interpretation. Useful for dex...

ECG leads representing anterior wall - V1-4 (LAD) ECG leads representing the inferior portion of the heart - II, III, and aVF (right coronary artery) ECG leads representing the lateral myocardial wall - I, AVL, V5, & V6 When should you consider immediate diagnostic coronary angiography? - order immediate diagnostic coronary angiography for a STEMI or new-onset Left BBB Another name for angioplasty... - Primary In an acute inferior wall myocardial infarction, occlusion of which coronary art...

ECG leads representing anterior wall correct answers V1-4 (LAD) ECG leads representing the inferior portion of the heart correct answers II, III, and aVF (right coronary artery) ECG leads representing the lateral myocardial wall correct answers I, AVL, V5, & V6 When should you consider immediate diagnostic coronary angiography? correct answers order immediate diagnostic coronary angiography for a STEMI or new-onset Left BBB Another name for angioplasty... correct answers Primary I...

BKAT Test Study Guide with complete solutions. What to do first if patient has chest pain. ️ Rest! ECG changes in an acute MI ️ ST elevation in 2 or more contiguous leads. Ischemia d/t full thickness loss of muscle. EMERGENCY. Inferior leads ️ II, III, aVF. RCA occlusion. Septal leads ️ V1 & V2. Anterior leads ️ V1 - V4. LAD lesion. Lateral leads ️ V5, V6, I, and aVL. Circumflex lesion. Cardiac enzymes ️ Troponins, CK-MB, and CK Changes in CK ️ Rise: 3-6 hours Peak: 24...

MAP calculation - [( 2xDBP) + SBP] / 3 cushing's triad - widened pulse pressure, bradycardia, and irregular respirations (indicative of increased ICP) chronotropes - affect the heart rate at the SA node (cardizem) inotropes - affect contractility (dopamine) dromotropes - affect automaticity of the heart ACE inhibitors adverse effects - dry cough, angioedema, renal impairment ARB (sartans) - block angiotensin 2 receptors, resulting in vasodilation antidote for vasopressor e...

1. Cardiac CORRECT ANSWER 1. Cardiac Pt's EKG shows ST elevation in leads II, III, and aVF. Where is the MI? CORRECT ANSWER Inferior wall MI, Right coronary artery "Reciprocal changes are often seen ini leads I and aVL" Pt's EKG shows ST elevation in leads V1 and V2. Where is the MI? CORRECT ANSWER Septal area, Left Anterior Descending Artery Pt's EKG shows ST elevation in leads V3 and V4. Where is the MI? CORRECT ANSWER Anterior area Pt has ST elevation in leads V1-V4. Which...