Haemodynamic Shock

Question 1

Mean arterial BP equation

Answer 1

Mean arterial BP = CO x TPR

maBP = Diastolic pressure + 1/3 pulse pressure

Question 2

Cardiac Output equation

Answer 2

CO = SV x HR

Question 3

Causes of cardiogenic shock

Answer 3

Following myocardial infarction
Due to serious arrhythmias
Acute worsening of heart failure

Question 4

Venous and arterial blood pressure during cardiogenic shock

Answer 4

Central venous pressure may be normal of raised

Dramatic drop in arterial blood pressure

Question 5

Venous and arterial pressure during cardiac temponade

Answer 5

High central venous pressure

Low arterial blood pressure

Question 6

Different types of shock

Answer 6

Cardiogenic
Mechanical
Hypovolaemic

Question 7

Pulmonary embolism venous and arterial pressure

Answer 7

Left atrial pressure is low

Arterial blood pressure low