01
Front
How many electrodes produce a standard 12-lead ECG?
Back
A standard 12-lead ECG uses 10 electrodes to create 12 electrical views.
Free Online Flashcard Deck
1 ECG Monitoring Fundamentals Free Online FlashCards
Study 1 ECG Monitoring Fundamentals with 12 free online flashcards. Review key terms, definitions, and concepts with this interactive flashcard deck.
12 cards
02
Front
Where is ECG electrode V1 placed?
Back
Place V1 in the fourth intercostal space at the right sternal border.
03
Front
Why may telemetry limb electrodes be placed on the torso?
Back
Torso placement supports movement and can reduce motion artifact, but it is a monitoring configuration—not a substitute for a diagnostic 12-lead with standard electrode positions.
04
Front
How do event monitors and Holter monitors differ?
Back
An event monitor often suits intermittent symptoms over a longer period; a Holter monitor records continuously over a shorter, defined period.
05
Front
What electrical event does the P wave represent?
Back
The P wave represents atrial depolarization.
06
Front
What can cause baseline drift and rapid irregular ECG noise?
Back
Respiration or movement can cause a drifting baseline; shivering or tremor can create rapid, irregular noise from skeletal-muscle activity.
07
Front
What is the first response to a chaotic monitor tracing?
Back
Assess the patient immediately, including responsiveness and pulse, while checking the monitor and electrode connections. If the patient is unresponsive or pulseless, activate emergency response and follow resuscitation protocol.
08
Front
Where is ECG electrode V2 placed?
Back
Place V2 in the fourth intercostal space at the left sternal border.
09
Front
Where is ECG electrode V4 placed?
Back
Place V4 in the fifth intercostal space at the left midclavicular line.
10
Front
Where is ECG electrode V3 placed?
Back
Place V3 midway between V2 and V4. Identify V4 first.
11
Front
Where are V5 and V6 placed relative to V4?
Back
Place V5 at the left anterior axillary line and V6 at the left midaxillary line; both should be level with V4.
12
Front
What electrical event does the QRS complex represent?
Back
The QRS complex represents ventricular depolarization.
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