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TMC > cardiac monitoring > Flashcards

cardiac monitoring Flashcards

0
Q

tx of sinus tachy

A
  1. digitalis

2. beta blockers

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1
Q

tx of bradycardia

A

atropine

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2
Q

PAC

A
  1. P wave looks diff n comes sooner

2. tx lidocaine

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3
Q

PVC

A

QRS wide n abnormal

tx

  1. lidocaine
  2. procainamide
  3. propranolol
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4
Q

atrial fib

A

P wave cannot b distinguished

tx

  1. cardioversion
  2. propranolol
  3. digitalis
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5
Q

atrial flutter

A

“sawtooth”

tx

  1. cardioversion
  2. carotid artery massage
  3. procainamide
  4. digitalis
  5. tranquilizers
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6
Q

tx for vtach

A
  1. lidocaine
  2. defibrillation
  3. cpr
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7
Q

first degree heart block

A

PR longer than 0.20s

tx

  1. atropine
  2. isoproterenol
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8
Q

art line complications

A
  1. infection
  2. hemorrhage
  3. ischemia
  4. thrombosis
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9
Q

PvO2 value

A

35-45

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10
Q

QT formula (cardiac output)

A

VO2/ (CaO2-CvO2) x10

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11
Q

total arterial content (CaO2)

A

(1. 34xHbxSaO2)

* choose number closer to answer

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12
Q

venous O2 content

A

(1.34xHbxSvO2)

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13
Q

intrapulmonary shunting

A

normal is 2-5 % of cardiac output

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14
Q

conditions that increase physiologic shunting

A
  1. pneumonia
  2. pneumothorax
  3. pulmonary edema
  4. atelectasis
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16
Q

shunt equation (QS/QT)

A

(PAO2-PaO2)(0.003) / (4.5vol%)+(PA02=PaO2)(0.003)

shortcut*
A-a gradientx0.003 / (A-a gradientx0.003)+4.5

17
Q

O2 consumption (VO2)

A

QT(CvO2-CaO2) x10

18
Q

shunt normal value

A

2-5%

19
Q

deadspace ratio (VD/VT)

A

normal 25%-35% of Vt

PaCO2-PeCO2 / PaCO2
answer x vt, then substruct from vt

20
Q

minute ventilation equation

A

VTxRR

when deadspace is mentioned, subtract deadspace from VT.

21
Q

O2 consumption in tissues

A

C(a-v)O2
or
CaO2-CvO2

22
Q

A-a gradient

A

P(A-a)O2

should be <300

23
Q

airway resistance

A

PIP-Pplat/flow

24
Q

P/F ratio

A

PaO2/FiO2
normal 400-500mmHg
>200 for weaning

< 300 hypoxemia (ALI)
< 200 severe hypoxemia (ARDS)

TMC (12 decks)

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