Genetics · Episode 2 · 12:11
Trinucleotide Repeat Disorders: 5 USMLE Step 1 cases you must know
A free video lesson by Aryan. Each case starts as an exam vignette: name it in 5 seconds, then learn the mechanism, a memory hook, the must-knows and the trap.
Trinucleotide Repeat Disorders: 5 cases you must know
Huntington disease · Fragile X syndrome · Myotonic dystrophy · Friedreich ataxia · Kennedy disease (SBMA)
Chapters
The 5 cases in this episode
- Huntington disease
- Fragile X syndrome
- Myotonic dystrophy
- Friedreich ataxia
- Kennedy disease (SBMA)
Memory hooks
- Hunting 4 CAG in the caudate
- Fragile X: eXtra-large
- CTG: Cataracts, Toupee, Gonads
- Friedreich is Fratastic
- Kennedy: CAG on the X, Androgen receptor
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