Intensive Care

Question 1

Most common cause for ICU admissions

Answer 1

Hypertension
Hemorrhage
Respiratory Failure
Sepsis
Cardiac disease

Question 2

What is preload?

Answer 2

volume of blood within the left or right ventricle at the end of diastole

Question 3

What is afterload?

Answer 3

the resistance to forward flow from the right or left ventricle

Question 4

What determines cardiac output?

Answer 4

CO = SV x HR

Question 5

Indications for invasive hemodynamic monitoring?

Answer 5

Unresponsive shock 
ARDS 
Cardiac failure 
Left heart obstruction 
AFE

Question 6

Indications for an arterial line (typically placed in radial artery)?

Answer 6

ARDS
Hypovolemic shock
Septic shock with hypotension
Severe eclampsia with pulmonary edema Cardiac failure

Question 7

PCWP

Answer 7

• assesses an indirect estimate of left atrial pressure (LAP)
• normal 5-10mmHg

Question 8

Central venous pressure (CVP)

Answer 8

right atrial pressure
Sits in the internal jugular vein
-normal 5-10mmHg

Question 9

Anion gap formula

Answer 9

Na - [Cl + HCO3]

Question 10

Preload can be measured with the following:

Answer 10

central venous pressure

pulmonary capillary wedge pressure

Question 11

Afterload can be measured with the following:

Answer 11

• pulmonary vascular resistance

- systemic vascular resistance

Question 12

Most common site for arterial catheter placement:

Answer 12

Radial artery