CPSGT case studies
CPSGT · Put your knowledge to work in context.
The Certified Polysomnographic Technician (CPSGT) is the entry-level credential offered by the Board of Registered Polysomnographic Technologists (BRPT) for individuals new to sleep technology. Its stated purpose is to validate foundational knowledge and give new technologists a defined starting point in the field, rather than to certify advanced practice. The CPSGT case studies are 5 cases and about 2,767 words.
1High Impedance in Braided, Oiled Hair Before Lights Out
Priya, 34, BMI 41, presents for a diagnostic PSG. Her hair is in 12 tight box braids coated with heavy oil sheen, and she has a short, thick neck.
595 words, about 3 min2Regular Sharp Deflections Time-Locked to the QRS
At 02:40 on a diagnostic study you notice sharp, regular downward deflections in F3-M2, C3-M2, and both chin channels. Each deflection lines up with the QRS complex on the EKG channel, which shows a rate of 78 bpm.
531 words, about 3 min3Persistent Leak and Mouth Breathing During a CPAP Titration
K, 58, BMI 38, is undergoing a full-night CPAP titration. At 01:10 he is on a nasal mask at 9 cmH2O.
568 words, about 3 min4MSLT Booked After a Short Night and a Recent SSRI
Jordan, 20, is referred for PSG followed by MSLT after reporting sleep attacks, two episodes of knee buckling with laughter, and an ESS of 19. He took his last dose of sertraline 5 days ago and stopped it on his own.
529 words, about 3 min5A 2.9-Second Pause on the EKG Channel at 03:12
At 03:12 on a diagnostic study, the EKG channel of a 68-year-old woman shows a flat segment lasting 2.9 seconds between two QRS complexes. Her baseline heart rate is 52 bpm, she is in REM sleep, and the respiratory channels show no apnea at that moment; SpO2 is 95%.
544 words, about 3 min