'22 Leads
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
---|---|---|---|---|---|
show | "bipolar lead" AKA bipolar bc they are composed of 2 electrodes; a neg. and pos. one; ECG records the difference in electrical potential btwn them
🗑
|
||||
bipolar leads | show 🗑
|
||||
what does bipolar leads measure? | show 🗑
|
||||
show | from the heart to the ____:
aVR - R. Arm
aVL - L. Arm
aVF - L. Foot
🗑
|
||||
augmented limb leads | show 🗑
|
||||
show | "precordial leads"
🗑
|
||||
precordial leads | show 🗑
|
||||
show | - standard leads l, ll, lll produce POSITIVE deflections on the graph
- augmented lead aVR produces a negative deflection
- augmented lead aVL & aVF produces a POSITIVE deflection
🗑
|
||||
what are leads? | show 🗑
|
||||
show | the electrodes may be misplaced
🗑
|
||||
chest leads and waveforms NOTE: | show 🗑
|
||||
show | represents the complete atrial contraction last (0.12-.20 secs or 3-5 small sq) anything +/- means "abnormal"
🗑
|
||||
QRS complex: | show 🗑
|
||||
show | 4 limb leads (3 limb electrodes & 1 grounding electrode)
6 chest leads (V1-V6)
= 10 leads that create 12 waveforms
🗑
|
||||
how many leads in a 12 waveform paper? | show 🗑
|
||||
show | R. Arm ; negative deflection
🗑
|
||||
aVL is placed where and what type of deflection does it have? | show 🗑
|
||||
show | L. Foot (L. leg to the foot) ; positive deflection
🗑
|
||||
show | triangle formed from the R. A --> L. A --> L.L
🗑
|
||||
show | the placement of the lead
🗑
|
||||
which are the bipolar leads? | show 🗑
|
||||
show | (+) R. Arm <---> L. Arm (-)
🗑
|
||||
show | (+) R. Arm <--> L. Leg (-)
🗑
|
||||
show | (-) L. Arm <--> L. Leg (+)
🗑
|
||||
which leads form the Einthoven's Triangle? | show 🗑
|
||||
show | are placed on the pts skins in specific locations that control electrical activity to the ECG
- for single use
- check for expiration date
🗑
|
||||
if an aVR has a positive deflection, what should be done? | show 🗑
|
||||
show | T ; Unlike a single-channel ECG, the 3- and 6-channel ECG record multiple leads at once producing a 12-lead ECG in about 10 secs
🗑
|
||||
what are ECG leads? | show 🗑
|
||||
what are the first 3 leads, that uses 2 limb electrodes to record the heart's electrical activity? | show 🗑
|
||||
what are the 3 leads, that uses 1 limb electrode to record the heart's electrical activity? | show 🗑
|
||||
which leads produces a negative deflection? | show 🗑
|
||||
which leads produces a positive deflection? | show 🗑
|
||||
where is the 4th or "grounding lead" placed? | show 🗑
|
||||
what is the grounding lead used for? | show 🗑
|
||||
show | [Lead] WHITE; Right arm
🗑
|
||||
show | [Lead] BLACK ; Left arm
🗑
|
||||
show | [Lead] GREEN ; Right leg
🗑
|
||||
In a 12-lead, Color ____ is placed on ____ | show 🗑
|
||||
show | [V1] RED ; Right sternal border, 4th intercostal space
🗑
|
||||
In a 12-lead, Color ____ is placed on ____ | show 🗑
|
||||
show | [V]3 GREEN; midway between V2-V4
🗑
|
||||
In a 12-lead, Color ____ is placed on ____ | show 🗑
|
||||
In a 12-lead, Color ____ is placed on ____ | show 🗑
|
||||
In a 12-lead, Color ____ is placed on ____ | show 🗑
|
||||
show |
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
nidromcom