CTICU Flashcards
Vital sign that is highly sensitive for volume status
Respiratory rate
Henry Gaur reflex
Brain sensing stretch in cardiac ventricles leading to decreased ADH
Cyanosis is seen when how much hemoglobin is deoxygenated?
5 g/dL
NNT for ASA therapy
100
Dosage of stress dose of hydrocortisone for major surgery
100 mg q8hrs for 24 hrs
Severity of aortic stenosis by aortic valve area
Critical < 0.6 cm^2
Severe < 1.0
Moderate 1-1.5
Mild > 1.5
Severity of aortic stenosis by mean gradient
Critical > 70 mmHg
Severe > 40
Moderate 25-40
Mild < 25
Elderly with fever and new onset AV block
Endocarditis
RSBI extubation criteria
RSBI < 105, RR/TV (in liters)
Maximum time allowed for circulatory arrest for cardiac surgery
30 min
Typical size of double lumen ETT for females
37
LV wall thickness that equates hypertrophy
Greater than 1.1 cm