CTICU

Question 1

Vital sign that is highly sensitive for volume status

Answer 1

Respiratory rate

Question 2

Henry Gaur reflex

Answer 2

Brain sensing stretch in cardiac ventricles leading to decreased ADH

Question 3

Cyanosis is seen when how much hemoglobin is deoxygenated?

Answer 3

5 g/dL

Question 4

NNT for ASA therapy

Answer 4

100

Question 5

Dosage of stress dose of hydrocortisone for major surgery

Answer 5

100 mg q8hrs for 24 hrs

Question 6

Severity of aortic stenosis by aortic valve area

Answer 6

Critical < 0.6 cm^2
Severe < 1.0
Moderate 1-1.5
Mild > 1.5

Question 7

Severity of aortic stenosis by mean gradient

Answer 7

Critical > 70 mmHg
Severe > 40
Moderate 25-40
Mild < 25

Question 8

Elderly with fever and new onset AV block

Answer 8

Endocarditis

Question 9

RSBI extubation criteria

Answer 9

RSBI < 105, RR/TV (in liters)

Question 10

Maximum time allowed for circulatory arrest for cardiac surgery

Answer 10

30 min

Question 11

Typical size of double lumen ETT for females

Answer 11

37

Question 12

LV wall thickness that equates hypertrophy

Answer 12

Greater than 1.1 cm