OS CR1

parallel vector

meagnitude is LARGE

angled vector

margnitude is SMALL

perpendicular vector

magnitude is ZERO

LEAD 1

- R arm to + L arm

LEAD II

- L arm to + R leg

LEAD III

- L arm to + L leg

+ Lead in avR

Right Arm

+ Lead in avL

Left Arm

+ Lead in avF

Left foot

Atrial P waves and Atrial T waves are ____corddant

discordant

QRS and T waves are ___cordant

discordant

what is the implication of a decreased conduction of an action potential

it is easily blocked

3 conditions for Re-entry

• closed loop

• unidirectional block

• transit time > refreactory period

CO equation?

CO = (pressure in aorta - pressure in RA) / total resistance

MAP equation

MAP = CO x TPR

MAP using systolic and diastolic presh

MAP = DP + 1/3pulse pressure

Pulse Pressure ?

Pulse Pressure = systolic - diastolic

arterioles are ____ vessels. Veins are ____ vessels.

resistance

capacitance

Oblique Fissures

6th costal cartialege

T4 posteriorly

Horizontal Fissure

RIGHT LOBE ONLY

4th CC

meets with oblique fissure at midaxillary line

Middle Lobe

RIGHT ONLY

between 4th and 6th ribs anteriorly

sternocostal space

mostly RV

diaphroagamtic space

msotly left ventricle

psoterior base

mostly left atrium

left pulmonary

left ventricle and left auricle

right pulmonary

right atrium

Reynolds number

4 * (flow / viscos. x diameter)

CO with SV and HR

CO = SV x HR

SV

EDV - ESV

EF

EF = (EDV - ESV ) EDV

Tension =

Tension = (Presh x r ) / Thickness