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

Page 316 -
3 Picmonics to Learn | 9 mins

ECG: Atrial Fibrillation
Variable Rate
Irregular Rhythm
P Wave
No P Wave
PR Interval
No PR Interval
QRS Interval
QRS < 0.12 Seconds
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1 min
ECG: Atrial Flutter
Regular or Irregular
P Wave
Saw Tooth, Multiple Before Every QRS
PR Interval
QRS Interval
< 0.12 seconds
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2 mins
AV Heart Blocks
First Degree
First Degree: PR> 200 Milliseconds
No Treatment Needed
Second Degree
Mobitz I (Wenkebach): Progressive Lengthening of PR Intervals Leading to Dropped Beat
Exercise Improves, Vagal Maneuvers Worsen
Mobitz II: Dropped Beats With No Preceding PR Prolongation
Electrical pacing
Third Degree
Third Degree (complete): P Waves and QRS Beat Independently
Treated With Pacing
Lyme Disease Can Cause 3rd Degree Block
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6 mins

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