ECG Equipment & Setup
What is the abbreviation for electroencephalogram?
EEG
What rhythm occurs when one irritable impulse bombards the AV node with rapid firing?
atrial flutter
What should be done when performing an ECG on an obese patient with
New electrodes and clean clips, and Good skin prep
What is the approximate time for the QRS complex to record on an ECG?
0.06-0.10
What should be done when placing Holter monitor electrodes?
Avoid scars, Tape lead wires, Abrade skin
After validating an ECG order, what should the professional do next?
identify the patient
Which of the following indicates a normal sinus rhythm?
PR 0.14, QRS 0.10, QT 0.40, HR
What should be done for a Parkinson’s patient with tremors during ECG?
Have the patient slide hands under buttocks
the P wave of an ECG indicates what?
atrial contraction
To correct a wandering baseline, the MA should do what?
Have patient remain
Where should the V4 electrode be placed on the body?
left midclavicular line, 5th intercostal
After recording a dangerous rhythm, what should the MA do after notifying the physician?
Initiate Emergency Response System or Code Blue
Wandering baselines noticed after ECG. What is the next step?
Re-evaluate chest
Which ECG lead records the inferior surface of the left ventricle?
Lead II
What is the primary purpose of a Holter monitor test?
To record continuous ECG data over 24-48 hours to evaluate intermittent cardiac symptoms.
Electrodes keep falling off during ECG. What should be done?
Clean with 70% isopropyl,] Reposition the electrode
Which rhythm is shown on the strip with consistent spacing and rate?
normal sinus rhythm
How can an MA prevent wandering baseline artifact?
Remind patient not to move
Which diagnostic procedure uses ultrasound to show heart structure?
echocardiogram
During a stress test, what indicates that the test should be stopped immediately?
Patient reports chest pain, shows signs of shortness of breath, dizziness, or ST segment elevation/depression on ECG.
During an ECG, the right leg provides grounding for which leads?
Bipolar
Which ECG rhythm should prompt immediate notification to the provider?
ventricular fibrillation
What do uniform small spikes on ECG paper most likely represent?
AC Interference
What actions should be done before exercise stress testing?
Inform the patient of expectations, explain symptoms to report, obtain medical history and current medications, and ensure a crash cart with defibrillator is nearby.
What instructions should a patient be given before wearing a 24-hour Holter monitor?
Avoid getting the device wet, continue with normal activities, and record symptoms and activities in a diary.