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Diabetic Foot Files: Daily Summaries Delivered
by Diabetic Foot Files
Welcome to the Diabetic Foot Files Podcast and the LIMBWatch series — where diabetic foot surveillance, wound intelligence, prevention science, and limb preservation come together. I’m Dr. G / Dr. WoundPicasso aka Dr. Gabrielle Hutcheson Donaldson, podiatrist and wound care specialist, and I’m here to educate, empower, and guide you through the evolving world of diabetic foot care. From wound healing and pressure injuries to surveillance systems and amputation prevention, we break down the science, challenge the myths, and share strategies that help save limbs and improve lives. Whether you’re a patient, caregiver, clinician, or healthcare professional, this is your destination for diabetic foot education, prevention, and preservation. LIMBWatch: Surveillance Before Salvage - World Leaders in LIMB Salvage So let’s dive in — because when you take care of your feet, they take care of you.
Latest Episodes
The most recent episodes — sign up to get AI-powered summaries of each one.
- Today27 min
Who Deserves It and Who Needs It- Denied, Delayed, or Dismissed: Medical Necessity, Prior Auth, and Equity in Diabetic Foot Treatment
In this episode Dr. G explains how medical necessity and insurance rules affect diabetic foot care, limb salvage, and amputation prevention. You’ll learn what "medically necessary" really means, how prior authorization and denials work, what to include in an appeal or medical necessity letter, and the clinical consequences of delays. The episode also highlights health equity—how socioeconomic barriers change access to care—and encourages patients and clinicians to advocate, document clearly, and explore appeal options to protect limbs and lives.
- Yesterday17 min
Saving the Limb: How PICC Lines Fit into Diabetic Foot Treatment
This episode explains what a PICC line is (Peripherally Inserted Central Catheter), how it delivers prolonged antibiotics, and why it is not automatically required for every diabetic foot infection. Dr. G covers when a PICC makes sense, the importance of source control and multidisciplinary care, the risks and warning signs to watch for, and how patient involvement and infectious disease guidance determine duration and route of therapy.
- 2 days ago22 min
Forgotten Infection Friday: The Hidden Danger of Pyomyositis
Dr. G discusses pyomyositis — a deep skeletal muscle infection that can occur in people with diabetes, how it differs from cellulitis, its stages, common causes, typical pathogens, diagnostic steps including MRI and labs, and the importance of source control, imaging, and vascular assessment. Key takeaways: the visible ulcer may be only the surface of a deeper infection, early recognition and imaging are critical, and management often requires both antibiotics and surgical drainage plus attention to offloading and vascular status.
- 3 days ago22 min
Pyroptosis: The Loud Cell Death Fueling Diabetic Foot Ulcers
Dr. G explains pyroptosis — an inflammatory form of programmed cell death driven by inflammasomes, caspase‑1, and gasdermin D — and how its pore‑forming, cytokine‑releasing shutdown can amplify inflammation. The episode explores how pyroptosis affects keratinocytes, fibroblasts, and macrophages in diabetic foot ulcers, potentially preventing healing by keeping danger signaling active, and why balancing this response matters for recovery.
- 4 days ago16 min
NPO Explained: What ‘Nothing by Mouth’ Means for People with Diabetes
This episode explains what NPO (nil per os) means, why clinicians use it to reduce aspiration risk during anesthesia or procedures, and why it’s more complex for people with diabetes. Key points include glucose monitoring every 2–4 hours, tailored insulin and medication plans, risks from gastroparesis, and the importance of asking the care team specific questions about allowed intake and medication adjustments.
- 5 days ago20 min
PECULIAR PODIATRY Series : #001- The Case of the Purple Toe
Dr. G introduces Peculiar Podiatry with a deep dive into the "purple toe"—a visual clue that can mean anything from a simple bruise to dangerous arterial or venous problems, infection, or neuropathy, especially in people with diabetes. This episode explains how to evaluate timing, pain, pulses, position changes, and when urgent vascular or emergency care is needed.
- 6 days ago28 min
Fight Fire with Fire: Capsaicin for Diabetic Foot Pain
Dr. G explores how capsaicin, the active compound in chili peppers, can reduce burning neuropathic pain by overactivating and desensitizing pain-sensing nerves. The episode explains that capsaicin is not a cure for diabetic neuropathy or a treatment for ulcers, notes differences between low‑dose creams and the 8% prescription patch, and highlights safety precautions (apply only to intact skin, avoid eyes/mucous membranes, and have trained clinicians administer high‑dose patches).
- 1 weeks ago26 min
Prediabetes: The Silent Signal You Can Change
Prediabtes isn’t “ Almost Diabetes” . This episode explains how type 2 diabetes often begins years before diagnosis as prediabetes — a compensatory metabolic state where insulin resistance, pancreatic stress, liver overproduction of glucose, and visceral fat-driven inflammation quietly disrupt glucose control. You’ll learn the diagnostic thresholds (A1c 5.7–6.4%, fasting glucose 100–125 mg/dL, 2‑hour OGTT 140–199 mg/dL), why different tests can identify different people, who should be tested, and which clinicians to involve (PCP, endocrinologist, dietitian, diabetes prevention programs). The episode emphasizes prevention: lifestyle-based diabetes prevention programs can reduce progression, metformin is not automatic, and early action can change your metabolic trajectory — protecting overall health and reducing future foot and limb complications.
About Diabetic Foot Files
Welcome to the Diabetic Foot Files Podcast and the LIMBWatch series — where diabetic foot surveillance, wound intelligence, prevention science, and limb preservation come together. I’m Dr. G / Dr. WoundPicasso aka Dr. Gabrielle Hutcheson Donaldson, podiatrist and wound care specialist, and I’m here to educate, empower, and guide you through the evolving world of diabetic foot care. From wound healing and pressure injuries to surveillance systems and amputation prevention, we break down the science, challenge the myths, and share strategies that help save limbs and improve lives. Whether you’re a patient, caregiver, clinician, or healthcare professional, this is your destination for diabetic foot education, prevention, and preservation. LIMBWatch: Surveillance Before Salvage - World Leaders in LIMB Salvage So let’s dive in — because when you take care of your feet, they take care of you.
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