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surgery 101 > Preop > Flashcards

Preop Flashcards

(18 cards)

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1
Q

All complications with an incidence of ___% sud b discussed with the pt during consent?

  1. 1%
  2. 5%
  3. 10%
  4. .1%
A

> 5%

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2
Q 
In the cABCDE of trauma care "c" stands for?
A. Cervical spine care
B. Care of clothes
C. Collection of froth
D. Control of massive exyernal hemorage
A

c - control of massive external hemmorhage
A - airway with cervical spine care
B - breathing and ventilation
C - circulation and hemorrhage control - apply pelvic binder do not remove until pelvic # excluded
D - disability (neurological status)
E - exposure (assess for other injuries)

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3
Q 
Stress of major surgery can lead to increased oxygen demand by about
30%
40%
50%
60%
A

40%

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4
Q

According to American college of chest physicians recommended duration of long term anticoagulation therapy after provoked DVT

  1. 2 wk
  2. 4 week
  3. 3 month
  4. 6 month
A

Answer 3 month (same recurrence rate as 6 month)

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5
Q

Oxygen demand of tissue at est is 110ml/min/m2. This is increased to _____in the post op period?

  1. 150
  2. 170
  3. 220
  4. 330
A

Answer 170

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6
Q

Pt is considered to b “high risk” if his predicted mortality rate during the procedure is equal to more than?

  1. 5%
  2. 6%
  3. 8%
  4. 10%
A

> 5% - high risk

<1% low risk

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7
Q

Estrogen containing OCPs or HRT sud b stoped ____ wks b4 Sx?

  1. 2
  2. 4
  3. 6
  4. 8
A

4 weeks

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8
Q 
Recommended HBA1c level for elective Sx?
A. < 7.0
B. Les than 6.9
C. Less than 6.8
D. Less than 6.7
A

Less than 6.9

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9
Q 
High risk for postop resp failure is A/e?
A. Pt on Oral steroids
B. Pt on oxygen therapy
C. FEV1 less than 33%
D. PaCO2 >6kPa
A

C.

Fev1 less than 30% not 33%

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10
Q

A pt scheduled for elective sx has a chest infection. He sud be rescheduled for sx after ____wks of treatment with antibiotics?

  1. 1-2 wks
  2. 2-3wks
  3. 3-4wk
  4. 4-6wks
A

4-6 weeks

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11
Q 
If a pt is undergoing a major sx,
Preop transfusion may b considered below a HB level of?
7
8
9
6
A

8

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12
Q

True regarding preop preparation of pts with valvular heart disease is A/E?
1. Pts with severe AR & MS may benefit from valvuloplasty b4 undergoing any elective noncardiac sx

  1. Stop warfarin 5 days b4 sx in pts with mechanical heart valves & Start Infusion of unfractionated heparin when INR falls below 1.5
  2. Monitor APTT and keep it at 1.5 times normal.
  3. Stop infusion of unfract heparin 2 hrs b4 sx
  4. Direct Thrombin inhibitors and factor Xa inh sud not b used in pts with mechanical valves

4.

A

2-5 are true

Patients with AS and MS should be operated before elective surgeries

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13
Q

True regarding Sx in a pt with implantable pacemakers and cardiac defibrillators?
A. Monopolar diathermy activity is sensed by pacemaker as atrial fibrillation

B. Bipolar Diathermy activity is sensed as ventricular fibrillation

C. Bipolar diathermy sud b made available at surgery

D. Cardioversion and overpace modes must be turned ON.

A

Ans c

Mono polar cautery is sensed as VF

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14
Q 
Which of the following discovered at preop assessment is not an Indication for preop temporary pacemaker insertion?
A. Symptomatic heart block
B. Asymptomatic mobitz II block
C. IIIrd degree heart block
D. Mobitz type I
A

Mobitz type I

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15
Q

Regarding preop CVS assessment false is?

Cut off BP for elective sx is 160/90mm hg

If new antihypertensive is introduced, a stabilization period of atleast 10 days should be allowed

Elective sx sud b postponed for 3-6 mnths after a proven MI

Pts on long term statins, statins can b continued on day of sx.

A

Period of stabilisation is 14 days

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16
Q

Regarding preop assessment of Cardio Vascular Disease ,true is A/e?
A. In pts with IHD, LVF can b evaluated using Stress test

B. Stress test has high PPV and low NPV

C. An ejection fraction of <30 % is aw poor outcome

D. Cardiopulmonary exercise testing is a noninvasive assessment of combined pulmonary , cardiac as well as circulatoy function

Study These Flashcards
A

Stress test has high NPV but low PPV

17
Q

Regarding preop investigation true is A/E?
1. No routine inv required in minor and intermediate sx

  1. B.urea, S. creat, electrolytes are needed before all major sx in most pts over 60yrs
  2. ECG is req. In those aged >60yrs
  3. CXR is not routinely req unless pt has sig cardiac histry
Study These Flashcards
A

S creat not needed only a blood urea

18
Q

Which of the following is known as universal hemostat

  1. Cryoprecipitate
  2. FFP
  3. recombinant factor VIIa
  4. Tranexamic acid
Study These Flashcards
A

Recombinant VII a

surgery 101 (9 decks)

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