Table 2.

Society for Cardiovascular Angiography and Interventions classification revised 2022

A- At risk	Beginning	Classic	Deteriorating	E-Extremis
Haemodynamically stable	Hypotension or hypo-perfusion, without therapy	Hypotension and hypo-perfusion or with therapy	Failure of the initial stabilization attempt	Refractory shock
	—Systolic blood pressure < 90 mmHg/mean arterial pressure < 65 mmHg OR —Lactates: 2–5 mmol/L —ALT 200–500 U/L AND —No drugs —No devices	—Systolic blood pressure < 90 mmHg/mean arterial pressure < 65 mmHg AND —Lactates: 2–5 mmol/L —ALT 200–500 U/L AND —No drugs —No devices OR 1 drug or 1 device without hypotension or hypo-perfusion	Systolic pressure < 90 mmHg/mean arterial pressure < 65 mmHg AND —Lactates: 5–10 mmol/L —ALT > 500 U/L OR —2–5 drugs/device OR 1 drug or 1 device with hypotension or hypo-perfusion	Systolic pressure < 90 mmHg/mean arterial pressure < 65 mmHg AND —Lactates: >10 mmol/L —PH < 7.2 OR More than 3 medications/devices OR Out-of-hospital cardiac arrest