Indicator of severe pre-eclampsia:
**Question:** Indicator of severe pre-eclampsia:
A. Proteinuria
B. Hematocrit <30%
C. Platelet count <100,000/mmΒ³
D. Liver enzymes (AST, ALT) elevated
**Correct Answer:** **D. Liver enzymes (AST, ALT) elevated**
**Core Concept:** Pre-eclampsia is a pregnancy-specific syndrome characterized by new-onset hypertension and proteinuria after 20 weeks of gestation. Severe pre-eclampsia is defined as the presence of severe hypertension (blood pressure β₯110 mmHg systolic or β₯180 mmHg diastolic) and/or end-organ damage.
**Why the Correct Answer is Right:** Elevated liver enzymes (aspartate aminotransferase, alanine aminotransferase) are indicative of severe liver dysfunction, a common complication of severe pre-eclampsia. In pre-eclampsia, the liver is affected due to the systemic inflammation and endothelial dysfunction resulting from the disease process. Elevated liver enzymes help in identifying severe liver involvement and end-organ damage in severe pre-eclampsia.
**Why Each Wrong Option is Incorrect:**
A. Proteinuria (A) is a key feature of pre-eclampsia, but it is not specific to severe disease. Proteinuria alone is not sufficient to diagnose severe pre-eclampsia.
B. Low hematocrit (B) is associated with anemia and is more common in severe anemia, not specific to pre-eclampsia, and not a primary indicator of severe pre-eclampsia.
C. Low platelet count (C) is associated with hemolysis and thrombocytopenia, more commonly observed in thrombocytopenic conditions (e.g., DIC, thrombotic thrombocytopenic purpura) than in pre-eclampsia. Pre-eclampsia-induced thrombocytopenia is usually mild to moderate.
**Clinical Pearl:** A key aspect of managing pre-eclampsia is to promptly identify and monitor for severe disease manifestations that require urgent obstetric intervention, such as eclampsia, acute kidney injury, and disseminated intravascular coagulation (DIC). Monitoring liver function tests (LFTs) can help detect severe liver involvement and end-organ damage in pre-eclampsia.