Disorders de la Ventilation

Question 1

Primary Alveolar Hypoventilation

Answer 1

Ondine's Dz
Rare
Inadequate alveolar ventilation
Worse during sleep
Normal systems
Congenital or trauma based

Question 2

Primary Alveolar Hypotension Patient profile

Answer 2

Usually non-obese
Males from 30-40
Lethargy, HA, Somnolence
Evidence of pulmonary HTN

Question 3

Primary Alveolar Hypotension Tx

Answer 3

O2
Positive pressure ventilation
Diamox, theophylline (resp stimulants)
Diaphragm pacing

Question 4

Pickwickian Syndrome

Answer 4

Blunted ventilatory drive and increased mechanical load from obesity.
Voluntary hyperventilation maintains normal range
Most likely also have sleep apnea

Question 5

Pickwickian Tx

Answer 5

Weight loss
CPAP, Bipap
Respiratory stimulants

Question 6

Obstructive sleep apnea (OSA)

Answer 6

Most common sleep-related breathing disorder
20-30% of males
10-15% of females
More common in young african americans

Question 7

OSA Patho

Answer 7

Recurrent collapse of airway during sleep
Cessation of airflow
Poor sleep quality

Question 8

OSA risk factors

Answer 8

Obesity
Old age
Smoking
Pregnancy
Renal, lung, heart dz

Question 9

OSA treatment

Answer 9

Weight loss
Sleep positioning
CPAP** (TOC)
Bipap

Question 10

Central Sleep Apnea

Answer 10

Sleep apnea where brain forgets to send impulses for the body to breathe.
Common post-stroke, TBI, CHF

Question 11

Hypopnea

Answer 11

Decreased airflow with a drop in O2 sat of at least 4%.

Question 12

Apnea

Answer 12

Breath cessation for at least 10 seconds with decreased O2 sat