dugang saheart Flashcards

1
Q

What overlies the heart

A

precordium

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2
Q

weigh of heart in men

A

310g

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3
Q

weigh of heart in women

A

255 g

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4
Q

occurs when blood flows to tissues and organs, promoting oxygen and carbon dioxide diffusion.

A

Perfusion

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5
Q

return oxygenated blood to the left atrium.

A

pulmonary veins

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6
Q

transports oxygenated
blood from the left ventricle to the body.

A

aorta

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7
Q

The SA node generates electrical
impulses with inherent rhythmicity at a
rate of

A

of 60-100 per minute.

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8
Q

primary “pacemaker” of the heart,

A

SA node

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9
Q

Reflects ventricular depolarization (and atrial repolarization), leading to ventricular contraction;

A

QRS complex:

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10
Q

Signifies ventricular
repolarization, indicating the return of
the ventricles to a resting state.

A

T wave:

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11
Q

Marks the period between
ventricular depolarization and the onset of ventricular repolarization.

A

ST segment:

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12
Q

Represents the total time
for ventricular depolarization and repolarization, from the beginning of the Q wave to the end of the T wave; its duration varies with heart rate.

A

QT interval:

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13
Q

is a method used to measure and record
this electrical activity.

A

Electrocardiography (ECG or EKG)

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14
Q

found in the neck, is a key pulse point because it’s
close to the heart. Its pulsation matches
closely with the heartbeat’s rhythm.

A

carotid artery pulse,

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15
Q

ones are deeper and
closer to the midline of the neck, running next to the sternocleidomastoid muscle.

A

Internal jugular vein

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16
Q

Stiffness and diameter of the carotid artery are linked to the development of ___ major predictor of heart disease and stroke.

A

atherosclerosis,

17
Q

a sign of pressure overload.

A

ACCENTUATED APICAL IMPULSE

18
Q

A sign of volume overload,

A

LATERALLY DISPLACED APICAL IMPULSE

19
Q

result of opening of a rigid and calcified
aortic or pulmonic valve during
ventricular contraction

A

SYSTOLIC CLICK