That didn't post well. I'll try again :)
Rapid pitting recovery under 40 seconds - hypoalbuminemia:
• Impaired protein synthesis
– protein intake: starvation, kwashiokor
– absorption of proteins: malabsorption
– hepatic synthesis due to liver disease
• Increased loss of protein
– Skin loss: burns, weeping skin diseases
– Urinary loss: nephrotic syndrome
– Fecal loss: bowel disease
Slow pitting time over 40 seconds - normoalbuminemic edema:
•Systemic venous hypertension
– Congestive heart failure
– Pericardial diseases, tricuspid valve disease
•Regional venous hypertension
– Inferior vena cava syndrome
– Venous thrombosis
– Lower extremity venous insufficiency
excerpt from Edema - Brad Anawalt, MDVA Puget Sound University of Washington
Rapid pitting recovery: 40 seconds) - normoalbuminemic edema
• Systemic venous hypertension
– Congestive heart failure
– Pericardial diseases, tricuspid valve disease
• Regional venous hypertension
– Inferior vena cava syndrome
– Venous thrombosis
– Lower extremity venous insufficiency
excerpt from Edema - Brad Anawalt, MDVA Puget Sound University of Washington