Lab 2 Blood Vessels🩸

P wave

• atrial depolarization

• Precedes atrial contraction

QRS complex

• ventricular depolarization

• Precedes ventricular contraction

T wave

• ventricular repolarization

PR interval

Name #1

QRS interval

Name #2

QT interval

Name #3

TP interval

Name #4

PR interval

time from beginning of the P wave to the beginning of the QRS complex

QRS interval

Time from beginning of the QRS complex to the end of the QRS complex

QT interval

Time from beginning of QRS complex to the end of the T wave

TP interval

Time from end of T wave to the beginning of P wave

RR interval

Distance from the peak of one R wave to the peak of the next

0.04

The x axis is time in seconds.

1 mm equals……. seconds?

0.1

The y axis is voltage in mV.

1mm equals ….. mV?

HR = 1500/x mm

Equation for HR or bpm

20

If the ventricular rate is 75 contraction/minute, what is the RR interval in millimeters (mm)?

Valves closing

What causes the sound of the heart thump thump?

AV SL

What order do the valves close to make the thump thump sound

CO = HR x SV

equation for cardiac output CO

Blood pressure

measure of the hydraulic force exerted upon blood vessel walls by their contained blood. (mmHg)

Systolic blood pressure

highest pressure in the arterial system during each cardiac cycle is referred to as

• mmHg

Diastole blood pressure

lowest pressure in the arterial system during each cardiac cycle is referred to as

• mmHg

Pulse pressure

difference between the systolic pressure and the diastolic pressure is known as

• mmHg

Mean blood pressure

a value that represents the average pressure driving blood flow through the arterial tree.

• mmHg

Stroke volume

the volume of blood ejected by each ventricle during each contraction.

• mL / min

Cardiac output

measure of the volume of blood pumped out of each ventricle in one minute.

• Its units are typically given in liters per minute.

SV= 2 x PP

Equation for stroke volume

PP = SBP- DBP

Equation for pulse pressure

MBP= DBP + PP/3

Equation for mean blood pressure

CO = (CO ex - CO re / CO re) x 100

Equation for % change in cardiac output

Turbulence in artery

What causes the sound of blood pressure?

Tunica intima

Name the blue arrow

Lines lumen and release vasoactive chemicals

Function of tunica intima

Venous valves

Name the pink arrow

Prevent backflow of blood

Function of venous valves

Tunica media

Name green arrow

Vasoconstriction and vasodilation

Function of tunica media

Tunica externa

Name the purple arrow

Anchor and bind vessel

Function of tunica externa

Artery

Artery or vein?

Vein

Artery or vein?

Tunica intima

Name the green arrow

Tunica media

Name the yellow

Tunica externa

Name the black

Tunica interna

Name the green

Tunica media

Name the pink

Tunica externa

Name the yellow

Aorta

Name #2

Brings blood out of left ventricle

Function of aorta

Brachiocephalic artery

Name #3

Supplies oxygenated blood to right arm shoulder neck and head

Function of brachiocephalic artery

Left common carotid artery

Name #4

Supplies oxygenated blood to left neck and head

Function of left common carotid artery

Left subclavian artery

Name #5

Supplies oxygenated blood to left arm shoulder

Function of left subclavian artery

Left axillery artery

Name #6

supplies blood to left armpit and upper limb

Function left axillary artery (6)

Left vertebral artery

Name #7

Supplies blood to brain and spinal cord

Function of left vertebral artery (7)

Left common carotid artery

Name #8

Supplies blood to left neck and head

Function of left common carotid artery (8)

Right common carotid artery

Name #9

Supplies oxygenated blood to right neck and head

Function of right common carotid artery (9)

Right vertebral artery

Name #10

Supplies blood to brain and spinal cord

Function of right vertebral artery (10)

Right subclavian artery

Name #11

Supplies blood to right arm and shoulder

Function of right subclavian artery

Right axillery artery

Name #12

Supplies blood to right armpit and upper limb

Function of right axillery artery (12)

Pulmonary trunk

Name #13

Bring blood out of right ventricle to lungs

Function of pulmonary trunk (13)

Left pulmonary artery

Name #14

Bring blood to left lung

Function of left pulmonary artery (14)

Right subclavian artery

Name #1

Supplies blood to right arm and shoulder

Function of right subclavian artery (1)

Right vertebral artery

Name #2

Supplies blood to brain and spinal cord

Function of right vertebral artery (2)

Right common carotid artery

Name #3

Supplies blood to right neck and head

Function of right common carotid artery (3)

Left common carotid artery

Name #4

Supplies blood to left neck and head

Function of left common carotid artery (4)

Left external carotid artery

Name #5

Supplies blood to face neck and skull

Function left external carotid artery (5)

Left facial artery

Name #6

Supplies blood to face and neck

Function of left facial artery (6)

Left vertebral artery

Name #7

Supplies blood to brain and spinal cord

Function of left vertebral artery (7)

Left subclavian artery

Name #8

Supplies blood to left arm and shoulder

Function of left subclavian artery (8)

Right radial artery

Name #1

Supplies blood to hand wrist forearm

Function of right radial artery (1)

Right ulnar artery

Name #2

Supplies blood to fingers hand wrist forearm

Function of right ulnar artery (2)

Right brachial artery

Name #3

Supplies blood to arm forearm hand

Function of right brachial artery (3)

Right axillery artery

Name #4

Supplies blood to right armpit and upper limb

Function of right axillery artery (4)

Right brachial artery

Name #1

Right radial artery

Name #2

Right ulnar artery

Name #3