**Question:** Disseminated intravascular coagulation (DIC) is characterized by the following except:

A. Thrombocytopenia (decreased platelet count)
B. Increased fibrin degradation products (FDP)
C. Increased prothrombin time (PT) and activated partial thromboplastin time (APTT)
D. Normal or slightly elevated fibrin degradation products (FDP)

**Core Concept:**
Disseminated intravascular coagulation (DIC) is a life-threatening condition characterized by a dysregulated coagulation cascade leading to excessive fibrin deposition and consumption of clotting factors. It is commonly triggered by severe infections, obstetric complications, or solid organ injuries, among other causes. The coagulation cascade involves a series of events that lead to the formation of a clot, preventing bleeding.

**Why the Correct Answer is Right:**
DIC is characterized by a hypercoagulable state, leading to clot formation in small blood vessels, which can cause tissue ischemia and organ dysfunction. The correct answer (D) states that fibrin degradation products (FDP) are normal or slightly elevated. This is inconsistent with the condition, as DIC results in increased FDP due to excessive fibrin production and consumption.

**Why Each Wrong Option is Incorrect:**
A. Thrombocytopenia (decreased platelet count) is a common feature of DIC, as platelets are consumed in the clotting process.
B. Increased fibrin degradation products (FDP) are a feature of DIC, as excessive clot formation leads to the breakdown of fibrin.
C. Increased prothrombin time (PT) and activated partial thromboplastin time (APTT) are not specific to DIC, as these tests measure global clotting times and can be influenced by factors other than DIC.

**Clinical Pearl:**
DIC is a clinical syndrome that requires prompt recognition and management to prevent severe complications and organ dysfunction. In severe cases, DIC can lead to multiorgan failure and high mortality rates. Early recognition and initiation of appropriate treatment, such as anticoagulants and supportive care, are crucial for improving patient outcomes.