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A comprehensive overview of basic ekg concepts and arrhythmias, including their characteristics, interpretation, and clinical significance. It features a series of questions and answers designed to enhance understanding of ekg readings and arrhythmia identification. Key aspects such as rhythm, rate, p wave, pr interval, qrs duration, and qt interval, providing valuable insights for students and professionals in the medical field.
Typology: Exams
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ABC's of Arrhythmias
Measure the Intervals
Normal PR Interval
0.12-o.20 s (3 - 5 small squares)
Normal QRS Complex
0.06 - 0.10 s
Normal P wave height and width
Height - <2.5mm Width - <0.11 s
Normal QT Interval
0.42 s
Which arrhythmias have regular rhythms?
Which arrhythmias have Irregularly Irregular rhythms?
Which arrhythmias have Patterned Irregular Rhythms?
Which arrhythmias have Patterned Regular Rhythms?
How is the rate determined on an EKG?
Eucardia HR
60 - 100 BPM
The P Wave
What does the P wave in an EKG indicate?
Represents Atrial depolarization and subsequent contraction.
What morphology can a P wave have?
The PR Interval
What is the PR Interval?
The distance between the beginning of the P wave and the beginning of the QRS complex
What can a long PR interval indicate?
What can a short PR interval indicate?
The QRS Complex
What is the QRS complex?
Ventricular activation and depolarization time and subsequent ventricular contraction
What can a prolonged QRS duration indicate?
Prolonged (> 0.12 sec)
Sinus Tachycardia
Sinus Pause/Arrest
Premature Atrial Contraction
Ectopic Atrial Tachycardia
Wandering Atrial Pacemaker
Atrial Flutter
Atrial Fibrillation
Premature Junctional Contraction
Junctional Escape Beat
Junctional Rhythm
Ventricular Tachycardia
Torsade De Pointes
Ventricular Flutter
Ventricular Fibrillation
Sinus Rhythm w 1st Degree Heart Block
Sinus Rhythm with 2nd Degree Heart Block Type 1 (Wenckebach / Mobitz I)
Sinus Rhythm with 2nd Degree Heart Block Type 2 (Mobitz II)
Sinus Rhythm with Atrioventricular Dissociation (3rd Degree Heart Block)
