Shows / This Is Why with Dr. Busti
This Is Why with Dr. Busti
This Is Why exists to help medical professionals understand the why behind the decisions they make every day in patient care. Our approach is about integrating evidence, clinical relevance and real-world application so that what your learn connects directly with the patients you serve.
Episodes
- This Is Why with Dr. Busti
Metformin - A Biguanide for Type 2 Diabetes: Pharmacology Made Easy
Metformin is a first-line oral medication for type 2 diabetes. In this lecture from This is Why, Dr. Busti will explain how metformin works to lower the A1c…
- This Is Why with Dr. Busti
Tirzepatide (GIP/GLP-1 Agonists) for Diabetes: Pharmacology Made Easy
Tirzepatide (Mounjaro/Zepbound)—the dual incretin GIP/GLP-1 agonist—is a beneficial treatment of type 2 diabetes and/or obesity. In this lecture from This is…
- This Is Why with Dr. Busti
Statins (HMG-CoA Reductase Inhibitors): LDL Lowering Made Easy
Statins (HMG-CoA Reductase Inhibitors) are the foundation of LDL lowering and ASCVD prevention. In this lecture from This is Why, Dr. Busti will make statin…
- This Is Why with Dr. Busti
Omega-3 Fatty Acids (DHA, EPA): Pharmacology Made Easy
Omega-3 fatty acids made easy: learn EPA vs DHA, how fish oil works, and when to use icosapent ethyl (Vascepa) in real clinical practice. In this lecture from…
- This Is Why with Dr. Busti
Fibrates (Fenofibrate & Gemfibrozil) for TG: Pharmacology Made Easy
Learn fibrates (fibric acid derivatives)—fenofibrate and gemfibrozil—common triglyceride-lowering drugs for hypertriglyceridemia. In this lecture from This is…
- This Is Why with Dr. Busti
Ezetimibe (Cholesterol Absorption Inhibitors): Pharmacology Made Easy
In this lecture from This is Why, Dr. Busti will break down Ezetimibe (Zetia)—the classic cholesterol absorption inhibitor—and make the pharmacology easy…
- This Is Why with Dr. Busti
ATP Citrate Lyase (ACL) Inhibitors: Bempedoic Acid Review
ATP Citrate Lyase (ACL) Inhibitors made simple. In this lecture from This is Why, Dr. Busti will provide you with a review of Bempedoic Acid (Nexletol), and…
- This Is Why with Dr. Busti
Coagulation Cascade in Thrombosis: Physiology Made Easy
Dive into the coagulation cascade with this clear, clinically focused review! In this lecture from This is Why, Dr. Busti breaks down the coagulation cascade…
- This Is Why with Dr. Busti
Platelet Aggregation in Thrombosis: Clinical Essentials
Platelet aggregation is a core step in hemostasis—and when it’s dysregulated, it drives thrombosis. In this lecture from This is Why, Dr. Busti will break down…
- This Is Why with Dr. Busti
GPIIb/IIIa Inhibitors: Antiplatelet Pharmacology Made Easy & Relevant
In this lesson on glycoprotein (GP) IIb/IIIa (GPIIb/IIIa) inhibitors, you’ll learn the high-yield, test-relevant concepts behind the adjunct antiplatelet drug…
- This Is Why with Dr. Busti
P2Y12 Inhibitors (ADP Inhibitors): Antiplatelet Pharmacology Made Easy
In this lesson on P2Y12 inhibitors (ADP inhibitors), you’ll learn the high-yield, test-relevant concepts behind the most common antiplatelet drugs used in…
- This Is Why with Dr. Busti
Aspirin (ASA): Antiplatelet Pharmacology Made Easy & Relevant
Master Aspirin (ASA) fast with this Antiplatelet Pharmacology Made Easy & Relevant lecture. In this lecture from This is Why, Dr. Busti will make sure you…
- This Is Why with Dr. Busti
Heparins (UFH & LMWH): Pharmacology Made Easy & Clinically Relevant
In this lecture from This is Why, Dr. Busti will break down Heparin (UFH) and Low-Molecular-Weight Heparins (LMWHs), such as enoxaparin (Lovenox) and…
- This Is Why with Dr. Busti
Factor Xa inhibitors (DOACs): Pharmacology Made Easy & Relevant
Factor Xa inhibitors (DOACs) made easy—fast, clear, and clinically relevant. In this lecture from This is Why, Dr. Busti will break down direct oral…
- This Is Why with Dr. Busti
Warfarin (Vitamin K Antagonist; VKA): Pharmacology Made Easy
Warfarin (Vitamin K Antagonist; VKA) doesn’t have to be confusing. In this lecture from This is Why, Dr. Busti will explain warfarin's (Coumadin) pharmacology…
- This Is Why with Dr. Busti
Direct Thrombin inhibitors (DTI): Pharmacology Made Easy & Relevant
Direct Thrombin Inhibitors (DTIs) made simple and clinically relevant! In this lecture from This is Why, Dr. Busti will help you master direct thrombin (Factor…
- This Is Why with Dr. Busti
Community-Acquired Pneumonia (CAP): Made Easy & Clinically Relevant
In this lecture from This is Why, Dr. Busti will make Community-Acquired Pneumonia (CAP) simple, practical, and clinically relevant—so you can confidently…
- This Is Why with Dr. Busti
Atrial Fibrillation: Made Easy & Clinically Relevant
Atrial fibrillation (AFib) made easy—clinically relevant ECG/EKG interpretation, how to recognize AFib with RVR, and how to approach AFib management from…
- This Is Why with Dr. Busti
Sulfa Allergy: What Drugs to Avoid (and What’s Usually Safe)
Sulfa allergy is one of the most commonly reported drug allergies (often cited around ~6% of patients), and it frequently leads clinicians to avoid entire…
- This Is Why with Dr. Busti
What is Odynophagia? Definition, Causes, & Pitfalls
In this lecture from This is Why, Dr. Busti will break down the term odynophagia—how to pronounce it, how to use it correctly in charting and clinical…
- This Is Why with Dr. Busti
Heart Borders & Chambers on a Chest X-Ray - Made Easy
In this lecture from This is Why, Dr. Busti will make the identification of the heart borders and heart chambers on a chest x-ray easy. Dr. Busti will walk…
- This Is Why with Dr. Busti
What is Dysphagia? Definition, Causes, & Pitfalls
In this lecture from This is Why, Dr. Busti will break down dysphagia—the medical term for difficulty swallowing—in a clear, clinically relevant way. You’ll…
- This Is Why with Dr. Busti
Chest X-Ray Exposure: How to Tell If Your CXR Is Adequate
Are you looking at a portable chest x-ray and wondering, “Is this exposure good enough to trust?” In this video, we walk through how to check chest x-ray…
- This Is Why with Dr. Busti
How to Easily Identify & Count Ribs on a Chest X-Ray
In this lecture from This is Why, Dr. Busti will walk step-by-step through rib anatomy on a portable AP chest x ray, so you can quickly recognize posterior vs…
- This Is Why with Dr. Busti
Penicillin Allergy & Cephalosporin Cross-Reactivity
In this lecture from This is Why, Dr. Busti will answer the question, "Are patients with a penicillin allergy really at high risk when we use cephalosporins?"…
- This Is Why with Dr. Busti
What Does Micturate Mean? Medical Terms Made Easy & Relevant
What does “micturate” actually mean, and why do textbooks, exam questions, and older charts still use it instead of just saying “urinate”? In this lecture on…
- This Is Why with Dr. Busti
Practice Question: Penicillin Allergy - Avoiding Cross-Reactivity
Master penicillin allergy questions exactly the way they show up on your exams and in clinical practice. In this episode of This is Why, Dr. Busti will walk…
- This Is Why with Dr. Busti
How to Check Patient Positioning on a Chest X-Ray
Mastering chest X-ray positioning is the first step to safe and accurate chest X-ray interpretation. In this video, “How to Check Patient Positioning on a…
- This Is Why with Dr. Busti
AP vs PA Chest X-Ray: How to Tell the Difference
In this lecture from This is Why, Dr. Busti will teach you how to quickly and confidently tell AP vs PA chest X-ray (CXR) views apart so you don’t get misled…
- This Is Why with Dr. Busti
How to Tell If Chest X-Ray Inspiration Is Adequate (Portable CXR Tips)
In this lecture from This is Why, Dr. Busti will walk step-by-step through the proper steps to determine if the inspiration is good enough to allow the chest…
- This Is Why with Dr. Busti
SSRI Antidepressants: Pharmacology Made Easy & Clinically Relevant
In this This Is Why pharmacology review, Dr. Busti walks through the Selective Serotonin Reuptake Inhibitors (SSRIs)—how they became first-line for major…
- This Is Why with Dr. Busti
Chest X-Rays: How to Read Like a Pro - A Step-by-Step Guide
This session teaches a reproducible, step-by-step approach to chest X-ray (CXR) interpretation using two complementary mnemonics: RIPE (Rotation, Inspiration…
- This Is Why with Dr. Busti
Predicting Your NCLEX-RN Success: Why Some Pass & Some Don't
In this episode of This Is Why, Dr. Busti breaks down the evidence-based predictors of NCLEX-RN success for first-time test takers. See what the 10-year…
- This Is Why with Dr. Busti
BPS Exam Pass Rates & Predictors of Success: How to Improve Your Odds
BPS specialty board exams are challenging — and the data proves it. But knowing what drives success can make all the difference. In this episode of This Is…
- This Is Why with Dr. Busti
BPS Exams: Study What is Testable to Maximize Success
Passing a BPS specialty exam takes more than hard work — it takes strategy and understanding. In this episode of This Is Why, Dr. Busti breaks down how BPS…
- This Is Why with Dr. Busti
Predicting Your NAPLEX Success: How to Boost Your First-Time Pass Rate
What predicts success on the NAPLEX? It’s not chance — it’s about understanding the factors that matter most. In this episode of This Is Why, Dr. Busti unpacks…
- This Is Why with Dr. Busti
Study Smarter for the NAPLEX: What’s Really Testable?
The NAPLEX isn’t testing everything you’ve ever learned — it’s measuring what matters most for entry-level pharmacist competence. In this episode of This Is…
- This Is Why with Dr. Busti
Why NAPLEX Scores are Low & How to Reverse the Trend
Over the past decade, NAPLEX pass rates have dropped — sparking concern across pharmacy education. But what’s really driving this decline? In this episode of…
- This Is Why with Dr. Busti
NCLEX-RN: Study Smarter, Pass Faster: : Focus on What Matters
Passing the NCLEX-RN isn’t about memorizing more — it’s about understanding what truly matters and how the exam is built to measure it. In this episode of This…
- This Is Why with Dr. Busti
Practice Question: Pneumonia Treatment - As Seen on Your Exams
In this episode of This Is Why, Dr. Busti walks through a real-world board-style question on community-acquired pneumonia — connecting core pathophysiology to…
- This Is Why with Dr. Busti
Smoking Cessation Agents: Pharmacology Made Easy & Clinically Relevant
Dr. Busti reviews pharmacologic options for smoking cessation—bupropion, nicotine replacement therapy, and varenicline—highlighting mechanisms, dosing…
- This Is Why with Dr. Busti
TCA Antidepressants: Pharmacology Made Easy & Clinically Relevant
Dr. Busti reviews selective serotonin reuptake inhibitors (SSRIs)—their mechanism, first-line indications, key side effects, and clinical pearls. Learn why…
- This Is Why with Dr. Busti
Atypical Antidepressants: Pharmacology Made Easy & Clinically Relevant
Dr. Busti explores the atypical antidepressants—bupropion, mirtazapine, trazodone, vilazodone, and vortioxetine. Learn how these agents differ from…
- This Is Why with Dr. Busti
MAOI Antidepressants: Pharmacology Made Easy & Clinically Relevant
Dr. Busti breaks down monoamine oxidase inhibitors (MAOIs)—where they still fit in modern care, how they work, and how to use them safely. In this episode…
- This Is Why with Dr. Busti
SNRI Antidepressants: Pharmacology Made Easy & Clinically Relevant
Discover serotonin-norepinephrine reuptake inhibitors (SNRIs)—safe, effective antidepressants for depression, anxiety, and pain syndromes. In this episode…
- This Is Why with Dr. Busti
Inhaled Corticosteroids: Pharmacology Made Easy & Clinically Relevant
A practical pharmacology review of inhaled corticosteroids (ICS) in asthma and COPD. Dr. Busti explains why ICS are first-line therapy in asthma, their…
- This Is Why with Dr. Busti
Potassium-Competitive Acid Blockers (PCAB): Pharmacology Made Easy & Clinically Relevant
In this episode of This Is Why, Dr. Busti unpacks the pharmacology and clinical relevance of the potassium-competitive acid blocker (P-CAB) class—featuring…
- This Is Why with Dr. Busti
Proton Pump Inhibitors (PPI): Pharmacology Made Easy & Clinically Relevant
Dr. Busti reviews Proton Pump Inhibitors (PPIs)—how they work, why they outperformed H2 blockers, key clinical uses, and important risks. From GERD to GI…
- This Is Why with Dr. Busti
Cognitive Resonance vs Dissonance: Turning Gaps into Growth
Cognitive dissonance—the moment we realize we don’t know something we should—can either hinder or grow us. In this episode, Dr. Busti explains how…
- This Is Why with Dr. Busti
EBM in Real Life: When I Didn’t Know the “Why” (Deep Dive)
In this personal reflection, Dr. Busti shares a formative moment of cognitive dissonance that reshaped his approach to evidence-based medicine. When a simple…
- This Is Why with Dr. Busti
Step 4 and 5 Apply and Assess: Where Evidence Meets Understanding
The final two steps of Evidence-Based Medicine—Apply and Assess—focus on turning knowledge into better patient outcomes. Dr. Busti explains how to apply…
- This Is Why with Dr. Busti
Thyroid Hormone Replacement: Pharmacology Made Easy & Clinical Relevant
Levothyroxine is first-line for hypothyroidism, but getting it right requires precision. In this episode, Dr. Busti explains the TSH–T4–T3 feedback loop, why…
- This Is Why with Dr. Busti
Step 1 Ask a Clinical Question: Where Evidence Meets Understanding
Evidence-Based Medicine (EBM) has been shaping clinical decision-making for more than three decades. In this episode, Dr. Busti walks through Step 1 of the 5…
- This Is Why with Dr. Busti
Step 2 Acquire the Best Evidence: Where Evidence Meets Understanding
Step 2 of the EBM process is all about how to acquire evidence efficiently. Dr. Busti explains how to turn your PICO question into an effective search…
- This Is Why with Dr. Busti
Step 3 Appraise the Evidence: Where Evidence Meets Understanding
Step 3 of Evidence-Based Medicine focuses on appraising the evidence. Dr. Busti explains how to systematically evaluate research using validated critical…
- This Is Why with Dr. Busti
Loop Diuretics: Pharmacology Made Easy & Clinically Relevant
MRAs—spironolactone, eplerenone, and finerenone—do far more than nudge blood pressure. They improve outcomes in heart failure, offer targeted benefits in CKD…
- This Is Why with Dr. Busti
Thiazide Diuretics: Pharmacology Made Easy & Clinical Relevant
Thiazide diuretics have been essential in managing hypertension and remain one of the most widely prescribed drug classes today. But their value becomes…
- This Is Why with Dr. Busti
Mineralocorticoid Receptor Antagonists: Pharmacology Made Easy & Clinically Relevant
MRAs—spironolactone, eplerenone, and finerenone—do far more than nudge blood pressure. They improve outcomes in heart failure, offer targeted benefits in CKD…
- This Is Why with Dr. Busti
H2 Receptor Antagonist Antacids (H2RA): Pharmacology Made Easy & Clinically Relevant
H₂ receptor antagonists like famotidine and cimetidine have been around for decades, but they still play an important role in managing GERD, dyspepsia, ulcers…
- This Is Why with Dr. Busti
Welcome to This is Why with Dr. Busti
In this introductory episode of This Is Why, Dr. Busti shares the powerful story behind the creation of the podcast — and the mission driving it. With over 30…