AACN EKG Course Review
Right Coronary Artery - ANSWER-- 90 % of blood to SA
- 45 % to AV
- bradycardia type dysrhythmias are common with inferior MIs
Non Conducted PAC - ANSWER-- Appears as a P wave w/o a QRS complex
- Looks like a missed beat
Multi formed Atrial Rhythm - ANSWER-- d/t pacemaker activity wandering from SA node
to foci
- P waves have different shapes
- MAT if HR > 100 bpm
- MAT is common in COPD pts
12 Lead EKG - ANSWER-- 3 standard bipolar limb leads: I- III
- 3 augmented unipolar leads: aVr, aVL, and aVF
- 6 precordial unipolar leads: V1-V6
Septal Leads - ANSWER-V1 and V2 Look at electrical activity from the vantage point of
the septal wall of the ventricles
Anterior Leads - ANSWER-V3 and V4
Lateral Leads - ANSWER-V5, V6, I, and aVL. Circumflex lesion.
Inferior Leads - ANSWER-II, III, aVF. RCA occlusion.
Junctional Escape - ANSWER-40-60 bpm
Accelerated Junctional - ANSWER-60-100
Junctional Tachycardia - ANSWER-100-200
Idioventricular - ANSWER-- No P waves
- wide QRS
- occur after a pause
Right Coronary Artery - ANSWER-- 90 % of blood to SA
- 45 % to AV
- bradycardia type dysrhythmias are common with inferior MIs
Non Conducted PAC - ANSWER-- Appears as a P wave w/o a QRS complex
- Looks like a missed beat
Multi formed Atrial Rhythm - ANSWER-- d/t pacemaker activity wandering from SA node
to foci
- P waves have different shapes
- MAT if HR > 100 bpm
- MAT is common in COPD pts
12 Lead EKG - ANSWER-- 3 standard bipolar limb leads: I- III
- 3 augmented unipolar leads: aVr, aVL, and aVF
- 6 precordial unipolar leads: V1-V6
Septal Leads - ANSWER-V1 and V2 Look at electrical activity from the vantage point of
the septal wall of the ventricles
Anterior Leads - ANSWER-V3 and V4
Lateral Leads - ANSWER-V5, V6, I, and aVL. Circumflex lesion.
Inferior Leads - ANSWER-II, III, aVF. RCA occlusion.
Junctional Escape - ANSWER-40-60 bpm
Accelerated Junctional - ANSWER-60-100
Junctional Tachycardia - ANSWER-100-200
Idioventricular - ANSWER-- No P waves
- wide QRS
- occur after a pause
