Ace Your First Aid for the USMLE Step 1 (2021) Classes and Exams with Picmonic: #1 Visual Mnemonic Study Tool for Physician Assistant Students

With Picmonic, facts become pictures. We've taken what the science shows - image mnemonics work - but we've boosted the effectiveness by building and associating memorable characters, interesting audio stories, and built-in quizzing. Whether you're studying for your classes or getting ready for a big exam, we're here to help.

First Aid for the USMLE Step 1 (2021) | Physician Assistant School Study Aid

Page 264 -
4 Picmonics to Learn | 6 mins

Rules Out
Screening Test
TP / (FN+TP)
2 mins
Rules In
Confirmatory Test
TN / (TN + FP)
1 min
Positive Predictive Value (PPV)
Proportion of Positive Tests that are True Positive
Probability that Person with Positive Test has Disease
TP (True Positives)
Divided by /
All Positive Test Results
Varies Directly with Prevalence
1 min
Negative Predictive Value (NPV)
Proportion of Negative Tests that are Truly Negative
Probability that Person with Negative Test is Healthy
(TN) True Negatives
Divided by /
All Negative Test Results
(FN + TN)
Varies Inversely with Prevalence
1 min

Ace Your Physician Assistant Classes & Exams with Picmonic:

Over 1,070,000 students use Picmonic’s picture mnemonics to improve knowledge, retention, and exam performance.

Choose the #1 Physician Assistant student study app.

Picmonic for Physician Assistant covers information that is relevant to your entire Physician Assistant education. Whether you’re studying for your classes or getting ready to conquer the PANCE® or PANRE®, we’re here to help.

Works better than traditional Physician Assistant flashcards.

Research shows that students who use Picmonic see a 331% improvement in memory retention and a 50% improvement in test scores.

It's worth every penny