SleepA2Z

18/05/2026

Understanding CPAP titration means knowing when increasing pressure is appropriate. It's driven by events like hypopneas or snores, not by trying to force REM sleep. REM cycles occur naturally every 90-120 minutes. Pressure adjustments can also be made for exploratory purposes with physician approval.

17/05/2026

17/05/2026

Hypopnea involves a reduction in airflow by at least 30%, paired with a 3% desaturation or arousal. New definitions also consider arousal alone. Central and mixed apneas, lasting at least 10 seconds combined, are also crucial to understand.

16/05/2026

Unlock the secrets to a smooth sleep study experience. From patient preparation to understanding the nuances of polysomnography, this guide breaks down essential steps for technicians and patients alike.

15/05/2026

Cheyne-Stokes respiration is common in heart failure and post-stroke patients due to brain damage. Diagnosis requires at least 3 cycles of crescendo-decrescendo breathing patterns. A cyclical SpO2 pattern, like a seesaw, confirms the diagnosis. The primary treatment is ASV (Adaptive Servo-Ventilation).

14/05/2026

Confused about sleep issues? This breaks down the differences between insomnia, sleep apnea, and narcolepsy. Learn what causes them and how they're diagnosed, from PSG to MSLT. Understanding your sleep is the first step to better rest.

13/05/2026

Sleep study scoring for events like hypopneas is an art, not an exact science. While guidelines exist, scoring can vary between technicians. A 6-7 hour study is typically scored in 30-60 minutes, leading to potential differences in outcomes.

12/05/2026

Seizures can happen at night, and we need to ensure patient safety with measures like bed rails. Periodic Limb Movements (PLMS) are repetitive jerks, often linked to RLS. Treatment typically involves increasing iron levels. Proper electrode placement for PLMS is crucial for accurate EEG readings.

08/05/2026

When working with pediatric patients, electrode spacing is closer, demanding careful management of paste. Too much paste can create a salt bridge artifact, canceling out electrical activity and resulting in a flat line recording.