Table 1. Cavernosal blood gas analysis.

These results confirm that the trapped cavernosal blood is severely hypoxic and acidotic, which is typical for ischemic (low-flow) priapism.

mmol/L = millimoles per liter; mmHg = millimeters of mercury

Parameter	Abbreviation	Patient result	Reference range (venous blood)
pH	pH	6.96	7.31–7.41
Partial pressure of CO₂	pCO₂	99.8 mmHg	41–51 mmHg
Partial pressure of O₂	pO₂	16.1 mmHg	35–45 mmHg
Bicarbonate	HCO₃⁻	22.9 mmol/L	22–26 mmol/L
Base excess	BE	−8.9	−2.0 to +2.0
Oxygen saturation	SO₂	19%	60–85%
Lactate	Lactate	13.8 mmol/L	0.5–2.2 mmol/L