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Cardio II > Medi-misc > Flashcards

Medi-misc Flashcards

1
Q

Anteroseptal wall
Leads
Artery

A

V1-V6

LAD

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2
Q

Lateral wall
Leads
Artery

A

I, aVL, V5, V6

LCX

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3
Q

Posterior wall
Leads
Artery

A

V1, V2

LCX

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4
Q

Inferior wall
Leads
Artery

A

II, III, aVF

RCA

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5
Q

Right ventricular wall
Leads
Artery

A

RV1-RV6

RCA

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6
Q

The ___ feeds the anterior wall and apex of the heart

A

LAD (and diagonal)

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7
Q

The ___ feeds the lateral and part of the posterior wall of the heart (in 15% of people it also supplies all of the inferior wall because it gives rise to the ___)

A

LCX (and obtuse marginals)

Posterior descending

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8
Q

He ___ feeds the inferior wall, RV wall, and SA/AV nodes

A

RCA

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9
Q

Sounds likely to be heard in a STEMI patient

A

Paradoxically splitting of S2
Apical systolic murmur
S4
Friction rub

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10
Q

Stage of MI with tall and narrow T waves?

A

Early

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11
Q

ST depression occurs in leads ___

A

Facing an ischemic area (1-2 mm lasting 0.08 seconds)

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12
Q

Normal values for CO and SVR

A

4-8 L/min

900-1300 dynes/sec/cm

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13
Q

Type of shock:
High CO
low SVR
normal PAOP

A

Distributive

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14
Q

Type of shock:
Low CO
high SVR
high PAOP

A

Cardiogenic

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15
Q

Type of shock:
Low CO
High SVR
Low PAOP

A

Hypovolemic

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16
Q

Type of shock:
Low CO
High SVR
high or normal PAOP

A

Obstructive

17
Q

Thwart are two of the physiological causes of extracardiac obstructive shock?

A

Impaired systolic emptying

Impaired diastolic filling

18
Q

Common causes of distributive shock

A

Anaphylaxis
Shock
Drug overdose
TSS

19
Q
  1. What is directly measured by a PA catheter?

2. Indirectly?

A
  1. CVP, PA pressure, PAOP/wedge pressure, CO, SvO2

2. SV, CI, SVR, PVR, Oxygen delivery

20
Q

PAOP reflects pressure in which chamber of the heart?

A

Left atrium

21
Q
  1. What is the drug of choice for septic shock?
  2. Medication related shock?
  3. Cardiogenic shock?
A
  1. NE (increases BP)
  2. Phenylephrine (selective alpha 1 agonist)
  3. Dobtamine (increases contractility and CO, vasodilator)
22
Q
  1. Best fluid for MVA shock? (Or any trauma)

2. For septic patients?

A
  1. Saline

2. Albumin

23
Q

Colloid is ___

Dosing?

A 
Albumin
HES
Pentastarch
*expensive 
*500-1000 mL of IVS expansion per 1L
24
Q

Crystalloid is ___

Dosing?

A

Lactated ringers

  • cheap, but can give interstitial edema
  • 100-200mL IVS expansion per 1L (so less effective than colloid)
25
Q

Normal MAP

A

70-110 mmHg

26
Q 
72 y/o male 
Left calf claudication with exertion
Relieved with rest 
Predictable after 2 blocks of walking
102 pack year smoker
What drug will best reduce risk of CV event
A

Clopidogrel

27
Q 
72 y/o male 
Left calf claudication with exertion
Relieved with rest 
Predictable after 2 blocks
102 pack year smoker 
Which artery is likely stenosed?
A

Superficial femoral

28
Q

Symmetric and painful dysregulated adipose

Weight loss will not help

A

Lipedema

29
Q

Virchows triad

A

Stasis
Hypercoagulability
Endothelial injury

30
Q

Cirrhosis can cause ___ which leads to pitting edema

A

Anasarca

31
Q

Which causes of edema are pitting?

A

Venous HTN
Anasarca
Lymphedema (non pitting at some stages)

32
Q

Gold standard for dx of DVT?

A

Venography

-rarely used due to invasiveness

33
Q

What are 2 causes of venous HTN

A

AV fistula

Thrombophlebitis

34
Q

Filariasis can result in ___ which leads to edema

A

Lymphedema

35
Q

Venous cath evaluates what?

A

Venous pressure
Right heart pressure
CO
Possible shunts

36
Q

Which artery is likely responsible if the anterior interventricular sulcus area is not functioning correctly?
Posterior IV sulcus?

A

LAD

RCA

Cardio II (16 decks)

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