Critical Care And Trauma

Question 0

How many days of AED drug prophylaxis is recommended after severe traumatic brain injury

Answer 0

7

Question 1

When should Mechanical ventilators support be initiated in a myasthenia crisis

Answer 1

When FVC falls below 1 L and NIF is below 20 cm H2O.
Noninvasive mechanical ventilation using bilevel positive pressure ventilation, may circumvent the need for intubation if the pCO2 is > 50 mm Hg

Question 2

What is the treatment for malignant MCA infarction which is typically associated with progressive cerebral Adema typically peaking at 2 to 5 days postinfarction

Answer 2

Hyperosmolar therapy with either mannitol (0.5 grams:kg IV) or hypertonic saline

Question 3

Or what circumstances has therapeutic hypothermia been shown to improve the outcome

Answer 3

Out of hospital cardiac arrest and neonatal hypoxic ischemic encephalopathy

Question 4

What enzyme is affected with hypothermia

Answer 4

Cytochrome P4 50 system enzyme activity is reduced up to 22% per degree below 37°C affecting metabolism and Clearence of sedative and neuromuscular blocking agents

Question 5

What are the predictors of the more prolonged resolution of postconcussive symptoms

Answer 5

Duration of loss of consciousness, prior concussions, preexistent neuropsychiatric disorders such as depression anxiety or attentional disorders or prior history of migraine