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PODCAST · science

Untangling the Lines

by Dr. Lauren Duffee, Dr. Kelley Varner

As the world of anesthesia is a complex and multi-faceted aspect of veterinary medicine, the anesthetist needs the knowledge and tools to provide a safe, balanced, and pain-free anesthetic experience for all patients, including the healthy and critically ill patients. Dr. Lauren Duffee, a boarded veterinary anesthesiologist, talks with other veterinary technicians to review important anesthesia topics in an approachable manner.

Publisher-supplied feed metadata · PodParley refreshed Apr 15, 2026 · Source feed

Episodes

  1. New Fix for Dexmedetomidine Bradycardia?

    In this episode, we discuss the biphasic effects of dexmedetomidine on the cardiovascular system and how we manage the decreased heart rates associated with this drug. We review a 2021 article from Veterinary Anaesthesia and Analgesia regarding lidocaine as a treatment for dexmedetomidine-induced...

  2. Managing Hypotension #3 - Vasopressors and Inotropes

    We are FINALLY publishing the third part of our series on hypotension management. Please welcome Dr. Kelley Varner to the podcast - our new cohost! In this episode, we review the basic concepts of cardiac output and steps #1-4 of our method, the main receptors of the sympathetic nervous system…

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  3. Managing Hypotension #2 - Five Step Approach

    This episode continues our discussion of managing low blood pressure under anesthesia. Together, we lay out my 5 step approach to hypotension - 1) Evaluate the patient 2) Reduce the inhalant if possible 3) Normalize heart rate, 4) Fluid support, and lastly, 5) Pressors, and/or positive inotropes.

  4. Managing Hypotension #1

    This episode is the first of a three-part series addressing perioperative hypotension. Today we briefly review some cardiovascular physiology and the buzzwords around blood pressure management and discuss the 3 main approaches to monitoring blood pressure. This episode will give us a good...

  5. Cats are Not Small Dogs

    In this episode, we dive into the particulars of feline anesthesia. We offer our tips and tricks to intubation, managing hypotension and bradycardia, and understanding the differences in drug choices.

  6. Preparing for A Case

    Proper Preparation Prevents Poor Performance! In this episode we discuss tips on preparing yourself for an anesthesia case - how to pick out important parts of the clinical history, the basics of interpreting blood work, and how we like to set up our induction and surgical areas.

  7. Understanding Opioids

    This episode discusses the various types of opioid medications - including hydromorphone, methadone, fentanyl, butorphanol, and buprenorphine. We will discuss how these drugs affect the body as a class, but also about the differences between these medications. After listening to this episode, you...

  8. Atropine vs Glycopyrrolate

    In this episode, we will learn about anticholinergics - what they are, how they work, and when to use them.

  9. The Brachycephalic Patient

    This episode discusses the challenges of brachycephalic patients - including Bull Dogs, Frenchies, Pugs, etc. We will learn the common traits of Brachycephalic Airway Syndrome and the best way to support these patients in the peri-anesthetic period.

  10. Anesthesia and Brain Disease

    Today we discuss the anesthetic management of patients with brain disease. We will cover the Cushing's Reflex, how to intervene, and the best anesthetic protocols for these cases.

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ABOUT THIS SHOW

As the world of anesthesia is a complex and multi-faceted aspect of veterinary medicine, the anesthetist needs the knowledge and tools to provide a safe, balanced, and pain-free anesthetic experience for all patients, including the healthy and critically ill patients. Dr. Lauren Duffee, a boarded veterinary anesthesiologist, talks with other veterinary technicians to review important anesthesia topics in an approachable manner.

HOSTED BY

Dr. Lauren Duffee, Dr. Kelley Varner

CATEGORIES

Frequently Asked Questions

How many episodes does Untangling the Lines have?

Untangling the Lines currently has 10 episodes available on PodParley. New episodes are automatically indexed when they're published to the podcast feed.

What is Untangling the Lines about?

As the world of anesthesia is a complex and multi-faceted aspect of veterinary medicine, the anesthetist needs the knowledge and tools to provide a safe, balanced, and pain-free anesthetic experience for all patients, including the healthy and critically ill patients. Dr. Lauren Duffee, a boarded...

How often does Untangling the Lines release new episodes?

Untangling the Lines has 10 episodes. Check the episode list to see recent publication dates and frequency.

Where can I listen to Untangling the Lines?

You can listen to Untangling the Lines on PodParley by clicking any episode. We provide an embedded audio player for direct listening, and you can also subscribe via your preferred podcast app using the RSS feed.

Who hosts Untangling the Lines?

Untangling the Lines is created and hosted by Dr. Lauren Duffee, Dr. Kelley Varner.
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