Introduction to ECG interpretation part 1 Questions and Answers
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Course
ECG interpretation
Institution
ECG Interpretation
Upright (atria dp top-bottom) or inverted (atria dp bottom-top) in lead II?
PR interval analysis
Constant or vary?
<= 0.20 seconds (1 large box)
P to QRS relationship
P wave before, during or after QRS?
One P wave for each one QRS?
Regular relationship?
Monitoring ECG
4 lead, looking...
Introduction to ECG
interpretation part 1
Questions and Answers
Accelerated rhythm
➫ The Rhythm that fires above its normal intrinsic firing rate, but <100
Ectopic beat
➫ A Beat originating outside the normal pacemakers control
Pacemaker
➫ The location responsible for setting the Rhythm and rate of a rhythm
Depolarization
➫ The complete electrical firing of the cells of the heart
, Repolarization
➫ The time during which the cells recharge after depolarization
Refractory period
➫ The time during the repolarization when cells recharge
Vector
➫ Direction of current flow
Upward waveform deflection
➫ Current travels toward positive Pole
Downward waveform deflection
➫ Current travels toward a negative Pole
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