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16 Cards in this Set

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