Changes

==Invasive Methods==

==Invasive Methods==

===Arterial Catheterisation===

===Arterial Catheterisation===

*Catheter is placed in a peripheral artery and attached to either a anaeroid manometer or electronic transducer.

*An anaeroid manometer only gives a mean arterial blood pressure reading.

#Catheter is placed in a peripheral artery and attached to either a anaeroid manometer or electronic transducer.

*An electronic transducer gives systolic, mean and diastolic arterial blood pressure readings.

#An anaeroid manometer only gives a mean arterial blood pressure reading.

*In dogs, the dorsal pedal artery is commonly used.

#An electronic transducer gives systolic, mean and diastolic arterial blood pressure readings.

*In horses, the facial, transverse facial or metatarsal arteries used.

#In dogs, the dorsal pedal artery is commonly used.

*'''Advantages'''

#In horses, the facial, transverse facial or metatarsal arteries used.

**Continuous measurement.

'''Advantages'''

**Catheterisation allows for blood gas analysis sampling.

*Continuous measurement.

*'''Disadvantages'''

*Catheterisation allows for blood gas analysis sampling.

**Invasive

'''Disadvantages'''

**Requires the correct equipment, which can be expensive.

*Invasive

*Requires the correct equipment, which can be expensive.

==Central Venous Pressure==

==Central Venous Pressure==