Exam 1: Cardiovascular (1) Flashcards by D. M. | Brainscape

Q

OVERALL, WHAT IS THE NORMAL STRUCTURE OF THE HEART

A

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Q

COMPARE INCOMPETENT V STENOTIC VALVES

A

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Q

WHAT ARE THE 3 LAYERS OF THE CARDIAC WALL?

A

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Q

A

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Q

WHAT IS THE BLOOD SUPPLY TO THE HEART?

A

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Q

DESCRIBE THE MYOCARDIAL CONDUCTION SYSTEM (WHERE DOES THE IMPULSE MOVE? WHAT IS THE PACEMAKER?)

A

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Q

SYSTOLE

A

VENTRICULAR CONTRACTION PERIOD

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Q

DIASTOLE

A

VENTRICULAR RELAXATION AND FILLING PERIOD

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Q

WHAT ARE THE 3 ANATOMICAL DIVISIONS OF THE HEART?

A

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Q

WHAT DOES INJURY TO THE MURAL AND VALVULAR ENDOCARDIUM AND HEART VALVES RESULT IN?

A

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Q

PRELOAD

A

INCREASED VOLUME LOADING DURING DIASTOLE
RESULTS IN ECCENTRIC HYPERTOPHY

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Q

AFTERLOAD

A

INCREASED SYSTOLIC WORKLOAD CHARACTERIZED BY INCREASED PRESSURE LOAD DURING CONTRACTION

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Q

WHAT ARE THE 2 COMMON INJURIES TO MURAL AND VALVULAR ENDOCARDIUM AND HEART VALVES?

A

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Q

ENDOCARDITIS V ENDOCARDIOSIS

A

ENDOCARDIOSIS = DEGENERATION = INCOMPETENCE/INSUFFICIENCY = SMOOTH AND SHINY
ENDOCARDITIS = TAN, ROUGH

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Q

RESPONSE OF MYOCARDIUM TO INJURY (4)

A

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Q

WHAT CAUSES DILATED VENTRICULAR LUMEN ACCOMPANIED BY A NORMAL TO THIN VENTRICULAR WALL

A

Q

WHAT CAUSES AN INCREASE IN VENTRICULAR WALL THICKNESS OR MASS (HYPERTROPHY)

A

Q

HOW DOES THE PERICARDIUM RESPOND TO INJURY?

A

Q

PATHOPHYSIOLOGY: DISTURBANCES OF IMPULSE FORMATION OR IMPULSE CONDUCTION

A

Q

PATHOPHYSIOLOGY: DEPRESSED MYOCARDIAL CONTRACTILE STRENGTH

A

Q

PATHOPHYSIOLOGY: IMPEDED BLOOD FLOW

A

Q

PATHOPHYSIOLOGY: REGURGITANT BLOOD FLOW

A

Q

PATHOPHYSIOLOGY: ABNORMAL PATTERN OF BLOOD FLOW (SHUNTED BLOOD FLOW)

A

Q

PATHOPHYSIOLOGY: RESTRICTED ATRIAL/VENTRICULAR FILLING

A

Q

HOW DOES THE BODY RESPOND TO REDUCED CARDIAC OUTPUT?

A

Q

RENIN-ANGIOTENSIN ALDOSTERONE SYSTEM

A