Which canal is ideal to collect ear swab samples for an ear cytology the vertical or horizontal?

A clean swab is inserted into the vertical ear canal to the junction with the horizontal ear canal and gently rotated to collect material. If otitis media is present, the animal’s ears may be too painful for collection without sedation.

Which canal is ideal to collect ear swab samples for an ear cytology?

Samples should be collected before any cleaning agent or ear medication is instilled in the ear, and preferably from the deeper horizontal ear canal, rather than the more superficial vertical canal.

How do you perform ear mite cytology?

Put a drop of mineral oil on slide, place tape on slide sticky surface down, and examine under 10X. Ear swabs for mites: Identifies Otodectes cynotis and Demodex mites. Collect debris from ear canal on cotton swab and roll onto slide with a small amount of mineral oil, apply coverslip and examine under 10X.

What is ear swab cytology?

An ear cytology is a laboratory procedure that allows us to microscopically (under a microscope) see what is ‘growing’ in a patient’s ear. Although we will do a comprehensive physical examination and look into your pet’s ears with an otoscope we can only ‘see so much’.

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Where do you find ear mites on a microscope?

Diagnosis: Diagnosis commonly is made by using a cotton-tipped applicator to take a sample of the debris in the ear canals. The material then is viewed in mineral oil under a microscope to determine if mites are present.

What is ear swab test?

An ear swab is where a sample of an ear infection is taken via a sterile medical cotton bud and sent to a laboratory for testing. The laboratory will then send these results back to your GP which will result in you being prescribed the right antibiotics straight away.

What is Gram cocci positive?

Gram-positive cocci include Staphylococcus (catalase-positive), which grows clusters, and Streptococcus (catalase-negative), which grows in chains. The staphylococci further subdivide into coagulase-positive (S. aureus) and coagulase-negative (S. epidermidis and S.

How do you swab a dog’s ear?

To perform an ear swab examination, a cotton tip applicator is placed within the ear canal. With a gentle movement, some discharge or debris is captured on the swab. This discharge is then smeared on a glass slide, stained and examined under a microscope. Results are usually available within 1 to 2 hours.

How do you make a slide swab?


  1. Take a clean cotton swab and gently scrape the inside of your mouth.
  2. Smear the cotton swab on the centre of the microscope slide for 2 to 3 seconds.
  3. Add a drop of methylene blue solution and place a coverslip on top. …
  4. Remove any excess solution by allowing a paper towel to touch one side of the coverslip.

What do rods look like in ear cytology?

Cytology of ear discharge reveals cocci suggestive of Staphylococcus spp. Bacilli appear as elongated rods when viewed under the microscope, they usually appear as single cells. All bacteria and yeast stain dark blue with a Diff Quik stain.

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What are rods in cats ears?

Some ear infections caused by secondary overgrowth of the rod-shaped bacteria called Pseudomonas can be quite painful and difficult to treat, often requiring non-routine medication for resistant bacteria.

Who uses an otoscope?

An otoscope or auriscope is a medical device which is used to look into the ears. Health care providers use otoscopes to screen for illness during regular check-ups and also to investigate ear symptoms. An otoscope potentially gives a view of the ear canal and tympanic membrane or eardrum.

Can ear mites be seen without a microscope?

Ear mites are highly contagious, and animals become infested by direct contact with another infested animal. The mite is barely visible to the naked eye and may be seen as a white speck moving against a dark background.

What does an ear mite look like under a microscope?

Though they are nearly invisible to the naked eye, they look a lot like ticks. Without a microscope, ear mites look like little white dots. For mites to fully develop it takes approximately three weeks.

What magnification do you need to see ear mites?

Scan entire slide with 4X or 10X lens for mites or eggs. 1.