Week 11- Electrocardiography & using an ECG Flashcards
A CMA is prepping a pt w/ shortness of breath for an ECG. Which position should the pt be placed in?
Semi Fowlers
Where are limb leads placed?
On the fleshy areas of the skin
When calibrating an EKG, which should be identified as the standard speed of the recording?
25 mm/second
Where should the CMA place the V4 lead?
5th intercostal space at the midclavicular line
What is the ratio of leads applied to leads recorded ?
10:12
What electrode is placed at the right sternal border at the 4th intercostal space?
V1
It should be explained to a patient that the EKG is
recording the electrical activity of the heart
Where should a CMA should store the electrodes at the end of the day?
In the original packaging
How many leads are placed on the patients chest?
6
on EKA paper, the horizontal axis represents?
Time
A standard universal calibiration found on an EKG strip measures
5mm wide by 10mm tall
A CMA should place a lower limb lead on a patient with an amputation where?
On the abdomen
Which lead is considered the ground lead?
right leg
Which lead is placed at the 4th intercostal space left of the sternum?
V2
Which wave from represent atrial depolorization?
P wave
which wave represents ventricular depolirization?
QRS complex
Which wave is not always seen on EKG tests?
U wave
Which can be used on patients skin to clean areas where electrodes will be placed for an EKG?
Alcohol
Known as the pacemaker of the heart
SA node
Which accomodation can a CCMA make for a patient who has trouble breathing?
Elevate the head of bed
Which accommodation can a CCMA make for a patient who is having back pain for an EKG test?
Tell pt to bend their legs
If a apt has a hairy chest, the CCMA should
trim pt’s hair at site where electrode would be placed
Arm leads should be oriented _____, while leg leads should be oriented _________
arm- downward, legs- upward
Correct placement for V6 electrode?
Midaxillary line at 5th intercostal space
Correct electrode placement for V5 electrode?
Midway between V4 and V6
