A 76-year-old obese patient who is 31 hours post op hip replacement complain of nausea and vomiting, dry mucus membrane, and unable to go for physical therapy. Physical exam reveals a swollen red colored calf and left leg tightness. Ultrasound reveal deep venous thrombosis (DVT)
A. Describe the factors that could have contributed to DVT
B. Explain how each factor cause DVT