Cheat Sheet Archives - Yousmle

USMLE Step 1 Cheat Sheet: The Ultimate Guide to Antiarrhythmics for the USMLE Step 1

Alec Palmerton, MD — Fri, 06 Jun 2014 22:11:16 +0000

In my work as an instructor/tutor for the USMLE Step 1, one of the most common requests is to discuss antiarrhythmics. By the end of this USMLE Step 1 lesson, you will be able to answer the following questions: What would be the effects of class I antiarrhythmics on cardiac depolarization? Why? Nodal, non-nodal, or […]

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USMLE Step 1 Cheat Sheet: Swan-Ganz catheters, wedge pressure, mitral stenosis, LVEDP

Alec Palmerton, MD — Tue, 22 Apr 2014 01:21:11 +0000

By the end of this USMLE Step 1 lesson, you will be able to answer the following questions: What pressure can you estimate in the left ventricle by using wedge pressure? Why? Could you diagnose mitral stenosis by only using an increase in wedge pressure? Why or why not? In what condition is wedge pressure […]

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The USMLE Step 1 Will Require You to Connect Ion Channel Physiology with EKG Findings. How Well Can You?

Alec Palmerton, MD — Mon, 03 Mar 2014 16:57:31 +0000

After reading this USMLE Step 1 article, you will be able to answer the following questions: What ion is primarily responsible for conduction through the AV node? Why? What major antiarrhythmic classes are used for rate control in atrial fibrillation? Why does this make sense? What is the mechanism of ventricular tachycardia in a-fib? Why […]

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The Secret Connection Between Digoxin, Reversible Cell Damage, and Trousseau’s Sign That USMLE Step 1 Bosses Know

Alec Palmerton, MD — Fri, 28 Feb 2014 20:50:20 +0000

By the end of this USMLE Step 1 lesson, you will be able to answer the following questions: Use mechanism of digoxin to explain effect on contractility. Effect of hypokalemia on digoxin effects? Why? What histologic changes would you see visually in transient ischemia? Why? What is the clinical presentation of someone with hypercalcemia? Why […]

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Could You Connect Conjugate Vaccines and ABO Incompatibility for the USMLE Step 1?

Alec Palmerton, MD — Wed, 26 Feb 2014 01:22:21 +0000

By the end of this USMLE Step 1 lesson, you will be able to answer the following questions: Erythroblastosis fetalis – associated with ABO incompatibility vs. Rh incompatibility? Why does this make sense? How prevent Hemolytic Disease of the Newborn (HDN)/erythroblastosis fetalis in second child in Rh-negative female? Why? What are the major benefits of […]

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Equilibrium/Nernst Potential for the USMLE

Alec Palmerton, MD — Mon, 24 Feb 2014 01:05:15 +0000

Presented here is Part 1 of membrane/equilibrium potentials, with specific focus on the topics most likely to be found on the USMLE Step 1. As always, we will walk through the topic sequentially, while giving you questions at the end that will force you to integrate and apply the knowledge you’ve obtained, which is exactly […]

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Gel electrophoresis (Southern, Northern, Western Blot), Hemoglobin Electrophoresis (HbC, Sickle cell disease) for USMLE Step 1

Alec Palmerton, MD — Sun, 23 Feb 2014 21:52:36 +0000

Here, we walk through a topic that confounds many medical students (particularly those distant from their basic sciences curriculum), gel electrophoresis, and apply it in a USMLE Step 1-relevant manner to hemoglobin gel electrophoresis. USMLE Step 1 Application Questions: What is the genetic mutation in HbC? How will this affect the protein product? What is the […]

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Can You Connect the Mechanism of Anemia with the Iron Panel Results on the USMLE Step 1?

Alec Palmerton, MD — Fri, 21 Feb 2014 20:43:16 +0000

While many medical students diligently try to understand the mechanisms of disease in order to succeed on the USMLE Step 1, one of the hardest topics to do so is anemias. Specifically, connecting the mechanism of anemia with anything else – be it the MCV (mean corpuscular volume), the TIBC, or even the transferrin saturation […]

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How Can You Master Coagulation for the USMLE Step 1? (Part 2)

Alec Palmerton, MD — Fri, 21 Feb 2014 02:16:08 +0000

Here is the second part of how to master coagulation for the USMLE Step 1. Note, however, that this general theme is applicable to ALL topics for the USMLE Step 1 – since the exam tests students on their understanding of the mechanisms of diseases, and their ability to apply knowledge to novel situations, the […]

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Why Does the USMLE Step 1 Care if a Virus Has +RNA or -RNA?

Alec Palmerton, MD — Thu, 20 Feb 2014 02:12:23 +0000

Here, I share both the tools and knowledge I used to score a 270 on the USMLE Step 1 exam. How did I do it? Since the USMLE Step 1 exam tests your understanding and application of knowledge rather than memorization, the students who have the best understanding of the processes they learn will do the best. […]

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