untrasound

Question 1

US tissue healing

Answer 1

inflammatory stage
- stimulates mast cells, platelets + phagocytes
proliferation stage
- scar tissue production
- targets fibroblasts, endothelial cells + myofibroblasts
remodelling stage
- appropriate orientation of collagen fibres
- change collagen III to I (higher tensile strength)

Question 2

US contraindications

Answer 2

• not over uterus during pregnancy
• malignant tissue
• bleeding
• vascular abnormalities
• application over
  eyes
  T1 and rib posteriorly
  cardiac area