Centesis Procedures Lecture Notes

These flashcards cover key concepts and procedures related to centesis, including definitions, equipment, techniques, and indications.

What does the suffix 'centesis' mean?

Introduction of a needle into a body cavity to collect fluid.

What are the purposes of centesis?

It aids in diagnosis and treatment, such as improving breathing.

What is cystocentesis?

Collection of urine for analysis and culture.

What is abdominocentesis also known as?

Paracentesis.

What is thoracocentesis also referred to as?

Thoracentesis.

What is the meaning of arthrocentesis?

Collection of fluid from a joint.

What types of centesis are covered in this lecture?

Abdominocentesis, thoracocentesis, and arthrocentesis.

What is the main goal of abdominocentesis?

Aspiration of fluid for diagnostic or therapeutic purposes.

What are indications for performing abdominocentesis?

Hemorrhagic or urinary abdomen, peritonitis, or ascites.

What is a contraindication for abdominocentesis?

Presence of pyometra.

What equipment is needed for abdominocentesis?

Sterile gloves, 20- to 22-gauge needle or catheter, syringe, clippers, antiseptic scrub.

Which tube is used for cytology when performing abdominocentesis?

EDTA tube.

What technique is generally used for abdominocentesis?

Standing or lateral recumbency.

Where is the abdominocentesis site typically located?

Caudal and lateral to the umbilicus.

What is the local anesthetic that may be used for horses during abdominocentesis?

Lidocaine.

What specific techniques can be applied during abdominocentesis?

One or two needle technique.

What is the purpose of thoracentesis?

To remove fluid from the pleural space.

What indication may lead to performing a thoracentesis?

Tachypnea and respiratory distress.

What sounds may be heard upon auscultation if pleural space disease is present?

Diminished or absent breath sounds.

What equipment is required for thoracocentesis?

Sterile gloves, over-the-needle catheter, IV extension tubing, syringe.

What is a common complication of thoracocentesis?

Pneumothorax.

What should be measured post-thoracentesis during nursing care?

Respiratory rate and oxygen saturation.

What joint fluid is obtained through arthrocentesis?

Synovial fluid.

What are indications for performing arthrocentesis?

Persistent or cyclic fever, generalized stiffness, and shifting lameness.

What is the general procedure for arthrocentesis?

Clip hair, perform a surgical scrub, don sterile gloves, palpate joint space and introduce needle.

What angle is the hock held in during tarsal arthrocentesis?

Partial flexion—90 degrees with metatarsals and tibia.

At which joint locations can arthrocentesis be performed?

Carpus, tarsus, and stifle.

What should be applied upon entry into the joint during arthrocentesis?

Slight negative pressure.

What is done before withdrawing the needle in arthrocentesis?

Release suction to prevent aspiration.

What condition might be differentiated using synovial fluid analysis during arthrocentesis?

Infectious and non-infectious arthritis.

What should be prepared for thoracocentesis in addition to standard equipment?

Lab tubes for cytology and culture.

In which intercostal spaces is the catheter for thoracentesis typically inserted?

7th to 9th intercostal space.

What technique can be used to guide needle placement during thoracentesis?

Ultrasound.

Where should the catheter be inserted to avoid vessels during thoracentesis?

Cranial to the rib.

What should be confirmed before performing thoracocentesis?

That all supplies are prepared and assembled.

What method can be used to assess lung sounds post-thoracentesis?

Auscultation.