Mixed questions Flashcards

1
Q

Treatment for cerebral spam

A

Nimodipine

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2
Q

Atracurium metabolite and effect

A

Laudanosine
Epileptogenic effect

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3
Q

Ketamine entiomers

A

S, increase CMR
R, decrease CMR
Both of them present

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4
Q

Clinical assessment of preload

A

PAWP

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5
Q

Death in patients with sepsis

A

10%

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6
Q

SOFA score

A

Cr, MAP, GCS, Ptl, Br, PaFi

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7
Q

Pneumothorax in US

A

Lost of b lines
predominance of a lines
loss of sandy beach
Barcode sign

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8
Q

Most important predictor of transformation from acute to chronic pain

A

Intensity of pain

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9
Q

In response to Pain, what hypothalamus does

A

Release of catecholamines and increase sympathetic tone

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10
Q

Respiratory ventilation for pulmonary edema

A

NIV

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11
Q

Phases of Major Traumatic Resuscitation

A
  1. Active bleeding
  2. Partially controlled
  3. Restored physiology
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12
Q

General parameters for ALL patients after TBI

A
  • Maintain systolic BP ≥ 100 mm Hg for patients 50-69 years-old or ≥ 110 mm Hg for patients 15-49 or ≥ 70 years-old
  • Keep Hct 30%-33%
  • Maintain serum sodium at 140-145 mEq/L unless patient has ICP elevations
  • Encourage use of PETCO2 monitoring
  • Initiate DVT prophylaxis
  • Initiate nutrition as soon as medically appropriate with full caloric replacement by 7 days after injury
  • Initiate anticonvulsants for the first 7 days after injury; phenytoin is the agent of choice
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13
Q

Initial interventions after TBI

A
  • Establish airway, breathing, and circulaton
  • Ventilate to maintain PaCO2 to 35 mm Hg and avoid hyperventilation
  • Provide supplemental O2 to keep PaO2 > 70 mm Hg or SpO2 > 94%
  • Maintain normothermia
  • Maintain head of bed to optimize CPP and minimize ICP
  • Ensure good head and neck alignment
  • Reduce unnecessary noxious stimuli
  • See sedation algorithm
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14
Q

Drugs involved in perioperative anaphylaxis

A

Muscle relaxants 69.2%
Latex 12.1
Antibiotics 8

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15
Q

In a three-compartment model, whats do V1 V2 V3 represents

A

V1 central compartment. Blood
V2. Rapidly equilibrating compartment. Muscle
V3. Slow equilibrating. Fat
Extra compartment, effect site

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16
Q

Time to peak effect and t1/2 after bolus

A
17
Q

Carotid stent vs endarterectomy

A

CS. Lower risk of cranial nerve palsy, site hematoma, MI
More risk of stroke and death

18
Q

Carotid endarterectomy charac

A

Most of the patients return to baseline (BP) after 12/24h
Aspirin as usual
Goal BP 20% above baseline
Reperfusion after cause disturbances in autoregulation of BP

19
Q

Where in the heart, is located the sensor electrode of a CRTD

A

Left ventricle

20
Q

What transesophageal pacing activates

A

The left atrium due to its proximity to the esophagus

21
Q

What is oversensing in a pacemaker

A

The pacemaker understands the EMI (electro magnetic interference) as intrinsic activity and does not initiate the rhythm

22
Q

Minimal radiation of a pacemaker

A

5 Gy

23
Q

When after surgery can we see nerve injury?

A

Some days after the surgery

24
Q

Minimal distance of a pacemaker from defibrilation

A

8 cm

25
Q

Most common nerve injury after robotic prostatectomy

A

Brachial due to the extreme Trendelenburg

26
Q

What nerves lithotomy position can damage

A

common peroneal nerve and sciatic nerve

27
Q

Cardiotoxicity of local anesthetics

A

Decrease the rate of depolarization of Purkinje fibers

28
Q

Minimum time for surgery after PCI

A

With or w/o stent, minimum 4-6 weeks

29
Q

Test for malignant hyperthermia and where

A

For IVCT (caffeine muscle contracture test), the muscle biopsy will be performed on the quadriceps

30
Q

Where can we see cannon a wave

A

A-V dissociation

31
Q

Charac of cholestasis

A

GT increase
Alkaline phosphatase increase
Bil conjugated increase
Aminotransferase increase

32
Q

Transcranial doppler

A

normal flow: mean = 55cm/sec.
mild: > 120cm/sec.
moderate: > 160cm/sec.
severe: > 200cm/sec.

33
Q

Diagnosis of hemolytic transfusion reaction

A

Direct antiglobulin test

34
Q

St Johns Wort

A

Reuptake inhibitor of Nor, serotonin, dopamine