Certified Wound Ostomy Nurse (CWON) Practice Test

What does vasocongestion in a myocutaneous flap appear as?

1. Pallor and coolness of the flap

2. Dark red or purple coloring of the flap

3. Dryness and cracking of the skin

4. Excessive bleeding from the flap site

The correct answer is: Dark red or purple coloring of the flap

Vasocongestion in a myocutaneous flap presents itself as dark red or purple coloring of the flap due to the accumulation of blood in the capillary beds. This physiological response occurs when there is an increase in blood flow to the area, typically as a reaction to either surgical manipulation or underlying vascular issues. The dark red or purple hue is indicative of oxygenated blood presence and stagnation, reflexively signaling that the flap may not be receiving adequate perfusion or is undergoing a hyperemic response. In this context, the other options do not accurately reflect the characteristics seen in vasocongestion. For instance, pallor and coolness of the flap would suggest inadequate blood flow or ischemia, which is contrasting to the signs of vasocongestion. Dryness and cracking of the skin typically indicate dehydration or a loss of moisture, not blood flow issues. Excessive bleeding from the flap site indicates a different complication, often related to hemostasis rather than vascular congestion. Therefore, recognizing the manifestations of vasocongestion is vital for wound care management, particularly in understanding flap viability and informing interventions.