Uars

Question 1

Uars

Answer 1

causes arousal and sleep fragmentation without partial or complete airway collapse

No desaturation

Question 2

Symptoms of uars

Answer 2

Sleepy like osa
Absent snoring
Migraime
Fatigue

Question 3

Diagnosis

Answer 3

Eds
Normal rdi
Eeg- arousal index >10/hr

Question 4

Etiology

Answer 4

Dns
turbinate hyperttophy
Triangle face

Question 5

Central sleep apnea syndrome

Answer 5

Repititive episodes of breathing cessation in absence of resp effort , characterized by altered vent motor output

Question 6

Why

Answer 6

In response to arousal
Manifestation of breathing instability- cheynestokes in chf and high Altitude
Neurological

Question 7

Types

Answer 7

Hypocapnic

Hypercapnic

Question 8

Path

Answer 8

When co2 falls below the apnoeic threshold. Necessary for rhytmic breathing

Hypoxia
Fluctusting mv.
Sleep state changes

Question 9

Treatment

Cheyne stokes

Answer 9

Pharma- beta blocker , Ace.
Cpap- dec bp, ahi , improves lv systolic function

Adaptive sero ventilation- bipap with fixed epap and variable ipap
Aasm recommend- cpap. O2 , asv

Question 10

Idiopathic csa

Answer 10

Csa with normal cardiac function
Rx-cpap
Acetazolamide , bzd

Question 11

Complex sleep apnea

Answer 11

Csa during cpap titration

Rx: asv

Question 12

Pathology of complex csa

Answer 12

Co2 excreted by cpap- sleep apnoea

Overtitration- excessive lung expansion- hering bruer reflex- apnoea

Question 13

Rx of complex

Answer 13

Slow titration
Theo+acetazolamide- improve periodic breathing
Stabilization of nrem sleep- bzd , antidepressants