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16 Cards in this Set
- Front
- Back
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LIST THE COMPONENTS OF HEMODYNAMICS (4)
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1. BLOOD PRESSURE/CARDIAC OUTPUT 2. SYSTEMIC VASCULAR RESISTANCE 3. CENTRAL VENOUS PRESSURE 4. RIGHT AND LEFT HEART PRESSURES
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THE CARDIAC CONDUCTION SYSTEM PROVIDES ELECTRICAL ACTIVATION TO CAUSE THE HEART TO _____?
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CONTRACT
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DEFINE BLOOD PRESSURE
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THE TENSION EXERTED ON THE ARTERIAL WALLS BY THE BLOOD PUMPED BY THE HEART
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VASOACTIVE DRUGS ARE OFTEN USED IN TEH CRITICAL CARE SETTING TO DO WHAT?
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TO CHANGE THE SIZE OF THE ARTERIOLES TO DECREASE OR INCREASE
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LIST TWO PRIMARY REASONS FOR SYSTEMIC VASCULAR RESISTANCE
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1. VASCULAR DISTURBANCES 2. INFLUX IN CATECHOLAMINES
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WHAT ARE CATECHOLAMINES?
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They are sympathomimetic "fight-or-flight" hormones that are released by the adrenal glands in response to stress
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WHAT ARE SOME COMMON CAUSES FOR DECREASES IN SYSTEMIC VASCULAR RESISTANCE? (2)
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1. SEPSIS 2. NEUROLOGICALLY MEDIATED VASOMOTOR TONE LOSS
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DEFINE CARDIAC OUTPUT (CO)
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THE AMOUNT OF BLOOD EJECTED FORM THE HEART IN 1 MINUTE
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WHAT ARE THE TWO COMPONENTS OF CARDIAC OUTPUT? WHAT IS THE NORMAL VOLUME OF CO?
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STROKE VOLUME AND HEART RATE: CO = SV X HR
4 - 8 L/MIN |
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WHAT IS STROKE VOLUME AND WHAT ARE ITS THREE FACTORS?
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IT IS THE AMOUNT OF BLOOD EJECTED FORM THE HEART WITH EACH BEAT
PRELOAD, AFTER-LOAD AND CONTRACTILITY |
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AT THE END OF DIASTOLE, THE DEGREE OF VENTRICULAR STRETCH IS REFERRED TO AS WHAT?
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PRELOAD
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THE CARDIAC CONDUCTION SYSTEM IS THE STIMULUS FOR WHAT?
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VENTRICULAR CONTRACTION
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WHICH OF THE FOLLOWING IS NOT A PARAMETER OF STROKE VOLUME? A) CONTRACTILITY B) PRELOAD C) HEART RATE D) AFTERLOAD
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HEART RATE
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DEFINE "PRELOAD"
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A MEASUREMENT OF LEFT VENTRICLE END DIASTOLIC PRESSURE/VOLUME
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AFTER LOAD IS REFLECTIVE OF: A) PULMONARY CAPILLARY WEDGE PRESSURE B) CO C) CONTRACTILITY D) SVR
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SVR - SYSTEMIC VASCULAR RESISTANCE
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WHAT ARE SOME DERMATOLOGIC SYMPTOMS FIRST SEEN WITH ANAPHYLACTIC SHOCK
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PRURITIS, URTICARIA (USUALLY ON CHEST AND THEN THE FACE), GENERALIZED ERYTHEMA, ANGIO-EDEMA
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