Pulseless Electrical Activity (PEA)

by Julianna Jung, MD, FACEP

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      Emergency Medicine Cardiac Arrest 2.pdf
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    About the Lecture

    The lecture Pulseless Electrical Activity (PEA) by Julianna Jung, MD, FACEP is from the course Cardiovascular Emergencies and Shock. It contains the following chapters:

    • Definition and Mechanism
    • H's and T's

    Included Quiz Questions

    1. Identifying and reversing the underlying pathology
    2. Defibrillating the patient
    3. Initiating CPR
    4. Administering epinephrine
    5. Administering amiodarone
    1. Electromechanical dissociation is caused by hypovolemia or extracardiac obstruction to filling
    2. Electrical conduction in the heart is normal in both ‘empty heart’ and electromechanical dissociation
    3. There is ineffective contraction in "empty heart" mechanism
    4. Action potentials yield little or no cardiac myocyte contraction in electromechanical dissociation
    5. Systemic derangements that impair energy metabolism or impair myocyte function causes electromechanical dissociation
    1. Hyperthermia
    2. Hypovolemia
    3. Hypoxia
    4. Acidosis
    5. Hyperkalemia
    1. Hyperkalemia
    2. Tension pneumothorax
    3. Hypothermia
    4. Hypoxia
    5. Pericardial tamponade
    1. Presence of pulmonary infiltrates
    2. Presence of pericardial effusion
    3. Presence of pericardial tamponade
    4. Distention of inferior vena cava
    5. Cardiac ejection fraction

    Author of lecture Pulseless Electrical Activity (PEA)

     Julianna Jung, MD, FACEP

    Julianna Jung, MD, FACEP

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