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DUK-C Clinical Insights

Evidence-based clinical tools, calculators, and diagnostic frameworks.

The Best Clinical Decision Support Apps for Physicians in 2026 (And Why Most of Them Slow You Down)

The right clinical decision support app doesn't just answer your question — it makes you a faster, more confident, more evidence-based clinician. Here's how the top tools in 2026 actually compare.

Opioid Conversion: Why the Equianalgesic Table Fails, and When to Distrust It

The equianalgesic table looks like an answer when it is only a starting point. Three things they don't teach you about opioid conversions, and why methadone breaks the math entirely.

July 13, 2026

5 min read

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Clinical Pearls / Antibiotics

The Penicillin Allergy Your Patient Doesn't Have

About 1 in 10 patients will tell you they're allergic to penicillin. Fewer than 1 in 100 actually are. That gap is one of the most expensive and most fixable problems in inpatient medicine, and it lands on your service every single week.

Vancomycin Dosing: A Practical Bedside Guide

Vancomycin has a narrow therapeutic window, and the 2020 guidelines moved the field from trough-based to AUC/MIC-guided dosing. Here is the practical bedside version: how to load, how to maintain, how to adjust for renal function, and what to watch.

10 EKG Interpretation Mistakes Even Experienced Clinicians Make

The EKG errors that matter clinically are rarely a failure of knowledge; they are a failure of process. From anchoring on the first abnormality to missing posterior STEMI, Wellens syndrome, and de Winter T waves, here are ten common EKG interpretation mistakes and how to avoid them.

10 EKG Patterns Every Medical Student and Resident Should Recognize

Experienced clinicians do not identify dangerous EKGs because they have every diagnostic criterion memorized; they recognize them because they have seen the patterns repeatedly. Here are ten of the most important EKG patterns every medical student and resident should recognize.

June 23, 2026

10 min read

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Clinical Decision Support

What Happens When Medical Knowledge Doubles Faster Than Physicians Can Read?

The continued expansion of medical knowledge should be viewed as a triumph. Yet knowledge alone does not improve patient outcomes. It must be accessible, interpretable, and available at the moment clinical decisions are being made.

June 21, 2026

11 min read

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Clinical Decision Support

The Hidden Cost of Clinical Information Friction

Much of the conversation surrounding healthcare inefficiency focuses on familiar targets. Yet there is another source of inefficiency that receives comparatively little discussion despite being encountered by clinicians every day: clinical information friction.

June 10, 2026

9 min read

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Clinical Decision Support

Medicine Has a Retrieval Problem, Not a Knowledge Problem

Modern medicine is not suffering from a shortage of knowledge. It is suffering from an excess of it. The challenge facing clinicians today is no longer finding information. It is retrieving the right information at the right moment.

Why Physicians Still Look Things Up Every Day

One of the most common criticisms of physicians sounds something like this: if doctors know what they are doing, why are they always looking things up? It is usually meant as an insult. In reality, it reveals a fundamental misunderstanding of modern medicine.

"The Most Dangerous Phrase in Medicine": Let's Wait for the Labs

A patient is hypotensive. Tachycardic. Febrile. Lactate pending. Someone says, let us wait for the labs. Sometimes that is reasonable. Sometimes it is the most dangerous sentence in the room.

Empiric Antibiotics for Sepsis with Unknown Source

When the source is unclear and the patient is unstable, you are not confirming a diagnosis. You are deciding coverage. A clinician-focused breakdown of empiric antibiotic selection in sepsis.

You Have 60 Seconds: How Physicians Actually Make High-Stakes Decisions

Clinical decisions are made under pressure, with incomplete data and real risk. This is how physicians actually make high-stakes decisions at the bedside.

Why Clinical Guidelines Fall Short in Real Practice

There is a persistent gap between what guidelines contain and what clinicians are actually able to use in real time. This gap reflects a mismatch between how guidelines are written and how clinical decisions are made.

IDSA Antibiotic Guidelines Explained: Empiric Therapy, De-escalation, and Clinical Decision-Making

A structured overview of IDSA antibiotic guidelines, focusing on empiric therapy, escalation and de-escalation strategies, and antimicrobial stewardship principles relevant to real-world practice.

Why Antibiotics Are Losing Effectiveness—and the Consequences for Modern Medicine

Antibiotic resistance is an active and accelerating process reshaping modern medicine. Explore the molecular mechanisms, drivers, and clinical consequences of declining antibiotic effectiveness.

April 3, 2026

12 min read

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Oncology & Hematology

Cancer-Associated Thrombosis: Step-by-Step DVT/PE Algorithm for Clinicians

A high-yield clinical guide to cancer-associated thrombosis. Includes treatment algorithms, anticoagulation choices, and real-world decision points for managing DVT and PE in cancer patients.

April 2, 2026

10 min read

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Sepsis & Critical Care

qSOFA vs SIRS vs NEWS: Which One Actually Matters?

A practical, clinician-focused comparison of qSOFA, SIRS, and NEWS for sepsis risk stratification. Learn when each score matters and how to use them together.

April 1, 2026

11 min read

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Clinical Decision Tools

HEART Score Explained: When to Admit vs Discharge Chest Pain

A practical guide to using the HEART score for chest pain risk stratification and disposition decisions. Know when to admit, observe, or discharge.

Chest Pain Algorithm: What to Do Step-by-Step (ED + Rounds)

A practical, step-by-step chest pain algorithm for the emergency department and rounds. From triage to disposition, know exactly what to do next.

Anion Gap Calculator; Formula, Interpretation, and Clinical Causes

A clinical guide to the anion gap; including the standard formula, a worked example, normal reference range, GOLD MARK mnemonic for high anion gap causes, and albumin correction.

March 18, 2026

7 min read

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Clinical Decision Tools

Wells Score for Pulmonary Embolism: Criteria, Interpretation, and When to Order a CT

A clinical overview of the Wells Score for PE — including criteria, scoring interpretation, and evidence-based workflow for deciding when to order imaging.

Corrected Calcium Calculator; Formula, Clinical Interpretation, and When to Use It

A clinical guide to corrected calcium; including the albumin correction formula, a worked example, interpretation of hypo- and hypercalcemia, and when ionized calcium is preferred.

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DUK-C provides educational content and clinical decision support. It does not provide medical advice and is not a substitute for clinician judgment.