1.
Elevated blood glucose level commonly seen in diabetes
2.
Low blood glucose causing altered sensorium or seizures
3.
Severe life-threatening allergic reaction with airway compromise
4.
Sudden constriction of bronchial smooth muscle causing airflow limitation
5.
Fluid accumulation in alveoli causing acute respiratory distress
6.
Severe inflammatory lung injury causing refractory hypoxemia
7.
Sepsis with persistent hypotension despite fluid resuscitation
8.
Shock due to loss of sympathetic vascular tone after spinal injury
9.
Pump failure of heart leading to low cardiac output
10.
Shock caused by physical obstruction to circulation
11.
Tissue injury due to thermal electrical or chemical exposure
12.
Muscle damage from prolonged compression causing rhabdomyolysis
13.
Muscle breakdown releasing myoglobin leading to renal failure
14.
Raised pressure within closed muscle compartment impairing perfusion
