CRAT - CCI 2021
potassium and calcium - correct answer the two electrolytes needed in order for the heart to function normally
acute myocardial infarction - correct 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 - correct answer as an electrical current travels to a negative pole on an ECG, the waveform deflects in which direction?
late ventricular depolarization - correct answer what does the S wave represent on the ECG tracing?
5 - correct answer how many leads does a 24 hour holter monitor have?
right atrium OR right ventricle - correct answer a single chamber pacemaker has one lead into which of the two chambers of the heart?
many different foci - correct answer the patient is experiencing VFIB, where do the electrical impulses come from?
lead II, III, AVF - correct answer on a 12 lead ECG, where would we look when trying to assess for AJR?
pre-cardiac transplant patient - correct answer When is a biventricular pacer used?
PR interval - correct answer What part of the ECG tracing starts with the atrial depolarization and ends with ventricular depolarization?
0.36-0.44 seconds - correct 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 - correct 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. - correct answer bradycardia can be caused by?
sinus pause - correct answer If 1 or 2 beats are not formed in Atrial Standstill, its called?
SA Node Failure - correct answer what would cause sinus arrest?
anterior mi, CAD, PE, Cor Pulmonale, Rate Related BBB - correct answer what diseases cause Right Bundle Branch Block?
brown - correct answer what color are the chest leads?
atropine and temporary or permanent pacemaker - correct answer treatments for a junctional escape rhythm are?
saw tooth waves, no pwave, regular ventricular rate, decrease cardiac output by 20-30% - correct answer signs associated with atrial flutter are?
aortic stenosis, degenerative conduction system changes, CAD, hypertensive heart disease, QRS greater than 0.12 - correct answer causes and identifiers of Left Bundle Branch Block
automaticity - correct 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 - correct answer what are the barriers in patient-doctor communication? 40 Hz - correct 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. - correct 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 - correct answer characteristics of a PWAVE are?
fasciculi - correct answer left bundle branch splits into two branches known as?
ventricular depolarization is normal at this rhythm - correct answer what causes AJR to appear normal?
sinus arrest - correct answer lack of electrical activity in the atrium causes?
Right Bundle Branch Block - correct answer Letter M on QRS complex known as?
V1-V6 - correct answer what are the 3D leads?
ascending aorta - correct answer what is the largest artery in the human body?
atrial systole, isovolumetric contraction, ventricular ejection, isovolumetric relaxation, ventricular filling -
correct answer 5 steps of the cardiac cycle
CHF, vagal stimulation, sick sinus syndrome, digoxin toxicity, electrolyte imbalance, rheumatic disease, inferior wall MI - correct answer common causes of junctional escape rhythm
