• Valsalva test
• Politzer test
• Catheterization
• Toynbee test
• Tympanometry (Inflation deflation test)
• Radiological test
• Saccharine or Methylene blue test
• Sonotubometry
• Valsalva test
• Politzer test
• Catheterization
• Toynbee test
• Tympanometry (Inflation deflation test)
• Radiological test
• Saccharine or Methylene blue test
• Sonotubometry