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Medical: 5

Cardiology: 2 ════════════════════════════════════════════════════════════════════════════════════ ══════════════════════════

      • (2)

        Right coronary artery

        • (a)

          Distribution to the conduction system

    • b.

      Veins

      • (1)

        Coronary sinus

      • (2)

        Great cardiac vein

  • 6.

    Electrophysiology

    • a.

      Conduction system overview

      • (1)

        Sinoatrial node or sinus node (SA node)

      • (2)

        Atrioventricular (AV) junction

        • (a)

          AV node

        • (b)

          Bundle of His

      • (3)

        His-Purkinje system

        • (a)

          Bundle branches

          • i)

            Right

          • ii)

            Left anterior fascicle

          • iii)

            Left posterior fascicle

      • (4)

        Characteristics of myocardial cells

        • (a)

          Automaticity

        • (b)

          Excitability

        • (c)

          Conductivity

        • (d)

          Contractility

    • b.

      Electrical potential

      • (1)

        Action potential

        • (a)

          Important electrolytes

          • i)

            Sodium

          • ii)

            Potassium

          • iii)

            Calcium

          • iv)

            Chloride

          • v)

            Magnesium

      • (2)

        Excitability

        • (a)

          Thresholds

        • (b)

          Depolarization

        • (c)

          Repolarization

          • i)

            Relative refractory period

          • ii)

            Absolute refractory period

      • (3)

        Neurotransmitters

        • (a)

          Acetylcholine

          • i)

            Effects on myocardium

          • ii)

            Effects on systemic blood vessels

        • (b)

          Cholinesterase

          • i)

            Effects on myocardium

          • ii)

            Effects on systemic blood vessels

    • c.

      Autonomic nervous system relationship to cardiovascular system

      • (1)

        Medulla

      • (2)

        Carotid sinus and baroreceptor

        • (a)

          Location

        • (b)

          Significance

      • (3)

        Parasympathetic system

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────────────────────────── United States Department of Transportation National Highway Traffic Safety Administration Paramedic: National Standard Curriculum

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