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Basic ECG Interpretation for Nurses Adel A. Hasanein, RN, BSN Academic Coordinator NEDKFMC
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Basic ECG Interpretation - shaconferences · Basic ECG Interpretation for Nurses Adel A. Hasanein, RN, BSN Academic Coordinator NED‐KFMC

Aug 27, 2018

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Page 1: Basic ECG Interpretation - shaconferences · Basic ECG Interpretation for Nurses Adel A. Hasanein, RN, BSN Academic Coordinator NED‐KFMC

Basic ECG Interpretationfor Nurses

Adel A. Hasanein, RN, BSN Academic Coordinator 

NED‐KFMC

Page 2: Basic ECG Interpretation - shaconferences · Basic ECG Interpretation for Nurses Adel A. Hasanein, RN, BSN Academic Coordinator NED‐KFMC

OutlineOutline

• Definition of the ECGDefinition of the ECG • Types of pathology can we identify and study 

from ECGsfrom ECGs• Review of the conduction system• ECG waveforms and intervals• ECG waveforms and intervals• Determining heart rate

ECG h th b liti• ECG‐common rhythm abnormalities

Adel Hasanein 

Page 3: Basic ECG Interpretation - shaconferences · Basic ECG Interpretation for Nurses Adel A. Hasanein, RN, BSN Academic Coordinator NED‐KFMC

What is an ECG?What is an ECG?

An ElectrocardiogramAn Electrocardiogram (ECG or EKG) is: 

A grafical representation of theA grafical representation of the electrical activity of the heart.y

Adel Hasanein 

Page 4: Basic ECG Interpretation - shaconferences · Basic ECG Interpretation for Nurses Adel A. Hasanein, RN, BSN Academic Coordinator NED‐KFMC

What types of pathology can we identify d d f ?and study from ECGs?

• Arrhythmias• Arrhythmias• Myocardial ischemia and infarctionP i diti• Pericarditis

• Chambers hypertrophy• Electrolyte disturbances (i.e. hyperkalemia, hypokalemia)

• Drug toxicity (i.e. digoxin and drugs which prolong the QT interval)

Adel Hasanein 

Page 5: Basic ECG Interpretation - shaconferences · Basic ECG Interpretation for Nurses Adel A. Hasanein, RN, BSN Academic Coordinator NED‐KFMC

Basic conduction mechanismsBasic conduction mechanisms

• Sinoatrial node (SA• Sinoatrial node (SA node)‐ primary pacemaker of thepacemaker of the heart

• Atrioventricular node (AV node)

• His Bundle• Bundle branches• Purkinje fibers

Adel Hasanein 

j

Page 6: Basic ECG Interpretation - shaconferences · Basic ECG Interpretation for Nurses Adel A. Hasanein, RN, BSN Academic Coordinator NED‐KFMC

Adel Hasanein 

Page 7: Basic ECG Interpretation - shaconferences · Basic ECG Interpretation for Nurses Adel A. Hasanein, RN, BSN Academic Coordinator NED‐KFMC

Adel Hasanein 

Page 8: Basic ECG Interpretation - shaconferences · Basic ECG Interpretation for Nurses Adel A. Hasanein, RN, BSN Academic Coordinator NED‐KFMC

ECG Waveforms & IntervalsECG Waveforms & Intervals 

Adel Hasanein 

Page 9: Basic ECG Interpretation - shaconferences · Basic ECG Interpretation for Nurses Adel A. Hasanein, RN, BSN Academic Coordinator NED‐KFMC

ECG PaperECG Paper 

•Vertically: each large square = 0.5 mv.

• Horizontally each large square = 0.2 sec.

Adel Hasanein 

Page 10: Basic ECG Interpretation - shaconferences · Basic ECG Interpretation for Nurses Adel A. Hasanein, RN, BSN Academic Coordinator NED‐KFMC

Determining Heart RateDetermining Heart Rate 

Adel Hasanein 

Page 11: Basic ECG Interpretation - shaconferences · Basic ECG Interpretation for Nurses Adel A. Hasanein, RN, BSN Academic Coordinator NED‐KFMC

Quiz Question:Quiz Question:

What is the width of the normalQRS complex in little squares?

Adel Hasanein 

Page 12: Basic ECG Interpretation - shaconferences · Basic ECG Interpretation for Nurses Adel A. Hasanein, RN, BSN Academic Coordinator NED‐KFMC

Fundamentals of RhythmInterpretation

• P wave morphologyi l• PR interval

• QRS MorphologyQRS Morphology • Rate & Rhythm • Conduction ( P‐QRS Relation) 

Adel Hasanein 

Page 13: Basic ECG Interpretation - shaconferences · Basic ECG Interpretation for Nurses Adel A. Hasanein, RN, BSN Academic Coordinator NED‐KFMC

Normal ‐ Sinus RhythmNormal  Sinus Rhythm

Adel Hasanein 

Page 14: Basic ECG Interpretation - shaconferences · Basic ECG Interpretation for Nurses Adel A. Hasanein, RN, BSN Academic Coordinator NED‐KFMC

Adel Hasanein 

Page 15: Basic ECG Interpretation - shaconferences · Basic ECG Interpretation for Nurses Adel A. Hasanein, RN, BSN Academic Coordinator NED‐KFMC

Adel Hasanein 

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Adel Hasanein 

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Adel Hasanein 

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Adel Hasanein 

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Adel Hasanein 

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Adel Hasanein 

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Adel Hasanein 

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Supraventricular Tachycardia (SVT)Supraventricular Tachycardia (SVT)

Adel Hasanein 

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Adel Hasanein 

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Adel Hasanein 

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Premature Ventricular Contractions (PVC’s)

Adel Hasanein 

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Adel Hasanein 

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Adel Hasanein 

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Adel Hasanein 

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Adel Hasanein 

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Adel Hasanein 

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Adel Hasanein 

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Adel Hasanein 

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Polymorphic Ventricular Tachycardia(Torsades de pointes)

Adel Hasanein 

Page 34: Basic ECG Interpretation - shaconferences · Basic ECG Interpretation for Nurses Adel A. Hasanein, RN, BSN Academic Coordinator NED‐KFMC

Polymorphous ventricular tachycardia  (T d d i )(Torsade de pointes)

Adel Hasanein 

Page 35: Basic ECG Interpretation - shaconferences · Basic ECG Interpretation for Nurses Adel A. Hasanein, RN, BSN Academic Coordinator NED‐KFMC

Ventricular fibrillationVentricular fibrillation

Coarse VFCoarse VF

Fi VFFine VF

Adel Hasanein 

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Adel Hasanein 

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Adel Hasanein 

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Adel Hasanein 

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Adel Hasanein 

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Adel Hasanein 

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Adel Hasanein 

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Adel Hasanein 

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Adel Hasanein 

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