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Cardiac Physiology > Test 1 > Flashcards

Test 1 Flashcards

0
Q

Left Atrium

A

Left circumflex Artery

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1
Q

Right Atrium

A

Right coronary Artery (RCA)

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2
Q

Right Vent.

  • anterior
  • posterior
A
  • right coronary

- right coronary (PDA)

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3
Q

Left ventricle:

  • diaphragmatic (inferior)
  • Anterior
  • Lateral
  • Apex
A
  • left circumflex and right coronary (PDA)
  • LAD and Left Circ.
  • Left circ
  • LAD
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4
Q

Inter ventricular septum:

  • Anterior
  • Posterior
A
  • LAD

- Right coronary (PDA)

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5
Q

Left Vent. papillary muscles:

  • Anterior
  • Posterior
A
  • LAD & Left circ.

- Left circ. & Right coronary (PDA)

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6
Q

SA Node

A

RIght Coronary

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7
Q

Atrial Internodal Pathways

A

Right coronary

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8
Q

AV Node

A

Right Coronary

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9
Q

Bundle of HIS

A

Right Coronary

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10
Q

Right Bundle Branch

A

LAD

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11
Q

Left Bundle Branch

  • Anterior
  • posterior
A

LAD

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12
Q

MAP

A

CO X TPR

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13
Q

Cardiac output

A

SV x HR

Normal 4-8 L/MIN

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14
Q

Arteriolar diameter is also called?

A

Systemic Vascular Resistance

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15
Q

What contributes to

Total peripheral resistance

A

Arteriolar diameter and blood viscosity

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16
Q

BSA

A

Average for 70kg Man

1.73m^2

17
Q

LVEDP (preload)

A

Average 120ml

Volume in the left ventricle at end of vent diastole available for ejection

18
Q

Left Vent. stroke Volume (LVSV)

A

60-100ml/beat

19
Q

Left vent Ejection Fraction

A

LVEF= LVSV/LVEDV
Normal: 55-65%
THE PERCENTAGE of preload volume ejected with systole

20
Q

Left Vent. End systolic volume

A

LVESV= LVEDV- LVSV

amount left in ventricle after left vent contraction

21
Q

LV afterload

A

Total peripheral resistance

  • SVR and
  • blood viscosity
22
Q

Right Atrial Pressure

A

Normal 2-8 mmHg or 2-6cm h2o

23
Q

CVP

A

Pressure in venacava just before joining with right Atrium

-Normal 2-8 mmHg or 2-6 cm h20

24
Q

Cardiac index

A

Cardiac output correlated with BSA
CI= CO/BSA

Normal- 2.5-4 L/ MIN

25
Q

Systemic Blood Pressure

A

BP= CO x AFTERLOAD

Normal 100-120 / 60-80

26
Q

Pulse Pressure

A

Difference between SBP and DBP
PP= SBP-DBP
NORMAL- 40 mmHg

27
Q

Mean Arterial Pressure

A

MAP= SBP-DBP/ 3 + DBP. Or

1/3(PP) + DBP
NORMAL: 70-105

28
Q

SVR

A

Major part of afterload that has to be overcome to eject blood from LV
SVR= (MAP-RAP)/ CO x 80
NORMAL: 800-1200 dynes/sec/cm2 or Dynes x sec-1x cm-5

29
Q

SVR index

A

SVRI= (MAP-RAP)/ CI x 80
- number will be larger than SVR

1970-2400 dynes/cm5/m2 or dynes x sec-1x cm-5/m-2

30
Q

Pulm Art Pressure

A

PAP= RVOx PVR

Normal 15-30/ 8-15 mmHg

31
Q

PAWP or PAOP

A

Determines pressure of the pulm artery distal to the occlusion on the Swan shows left atrial pressure and with normal Mitral it approximates left vent pressure/preload
Normal: 8-15

32
Q

Mean Pulm art Pressure

A

MPAP= SPAP-DPAP/ 3 + DPAP

Normal: 10-20

33
Q

Pulmonary vascular resistance

A

PVR= (MPAP-PAWP)/CO x 80
Normal 37-250 dynes/ sec/cm5
- pressure to be overcome by the right ventricle

34
Q

Pulm Vasc Resistance Index

A

PVRI= (MPAP- PAWP) / CI x 80

Normal: 180-285

35
Q

Inferior MI

A

II, III, AVF

RCA

36
Q

Anterior MI

A

V3, V4, V5

Left coronary artery

37
Q

Lateral MI

A

I, AvL, V5,V6

Circumflex

38
Q

Posterior MI

A

V1, V2
ST depression

RCA or CIRCUMFLEX

39
Q

Anteroseptal

A

V1, V2, V3, V4

LAD

40
Q

Anterolateral

A

I, AvL, V4, V5, V6

LAD, CIRCUMFLEX

Cardiac Physiology (1 decks)

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