CRAT Study Guide for Exam Preparation - A+ Graded Solutions

CRAT Study Guide for Exam Preparation - A+ Graded Solutions potassium and calcium - answer - the two electrolytes needed in order for the heart to function normally acute myocardial infarction - answer - PACs are rarely dangerous, but in a patient with this condition, it can serve as an early sign or heart failure or electrolyte imbalance. downward - answer - as an electrical current travels to a negative pole on an ECG, the waveform deflects in which direction? late ventricular depolarization - answer - what does the S wave represent on the ECG tracing? 5 - answer - how many leads does a 24 hour holter monitor have? right atrium OR right ventricle - answer - a single chamber pacemaker has one lead into which of the two chambers of the heart? many different foci - answer - the patient is experiencing VFIB, where do the electrical impulses come from? lead II, III, AVF - answer - on a 12 lead ECG, where would we look when trying to assess for AJR? pre-cardiac transplant patient - answer - When is a biventricular pacer used? PR interval - answer - What part of the ECG tracing starts with the atrial depolarization and ends with ventricular depolarization? 0.36-0.44 seconds - answer - what is the normal QT interval length? medical history, meds, patient id, diagnostic results, date and time of test, symptoms and reason for test, informed consent docs, patient instructions - answer - what should the ECG tech include in the patients chart entry? hyperkalemia, deep relaxation, increased intracranial pressure, valsalva maneuver, hypothyroidism, hypothermia, sleep, glaucoma, carotid sinus massage, vomiting, cardiac disease, certain drugs. - answer - bradycardia can be caused by? sinus pause - answer - If 1 or 2 beats are not formed in Atrial Standstill, its called? SA Node Failure - answer - what would cause sinus arrest? anterior mi, CAD, PE, Cor Pulmonale, Rate Related BBB - answer - what diseases cause Right Bundle Branch Block? brown - answer - what color are the chest leads? atropine and temporary or permanent pacemaker - answer - treatments for a junctional escape rhythm are? saw tooth waves, no pwave, regular ventricular rate, decrease cardiac output by 20-30% - answer - signs associated with atrial flutter are? aortic stenosis, degenerative conduction system changes, CAD, hypertensive heart disease, QRS greater than 0.12 - answer - causes and identifiers of Left Bundle Branch Block automaticity - answer - cardiac cells ability to start impulses on their own is called? med effect, dysphonia, altered mental status, speech ability, foreign language, time constraint, inability to meet face to face, illness, racial/cultural differences, CVA, psychological illness. NOT SERUM GLUCOSE LEVEL - answer - what are the barriers in patient-doctor communication? 40 Hz - answer - what is the artifact filter used to reduce movement/tremors? use tech when appropriate, determine best learning style, include family, attempt to stimulate interest, consider strengths and weaknesses of patient. - answer - tips for provide good patient education are? - location-before QRS - duration 0.12 - amplitude 0.25mV -configuration - upright/rounded -deflection - upright in lead I,II,AVp,V6 - answer - characteristics of a PWAVE are? fasciculi - answer - left bundle branch splits into two branches known as? ventricular depolarization is normal at this rhythm - answer - what causes AJR to appear normal? sinus arrest - answer - lack of electrical activity in the atrium causes? Right Bundle Branch Block - answer - Letter M on QRS complex known as? V1-V6 - answer - what are the 3D leads? ascending aorta - answer - what is the largest artery in the human body? atrial systole, isovolumetric contraction, ventricular ejection, isovolumetric relaxation, ventricular filling - answer - 5 steps of the cardiac cycle CHF, vagal stimulation, sick sinus syndrome, digoxin toxicity, electrolyte imbalance, rheumatic disease, inferior wall MI - answe