USMLE Step 1 Respiratory Physiology Review 61 22 Breathing Disorders

USMLE Step 1 Respiratory Physiology Review 61 22 Breathing Disorders

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Play USMLE Audio MP3 61 22 Breathing Disorders Below

Begin 61 22 Breathing Disorders Transcription

There are two breathing disorders. I will read the description. Please respond with the name of each.

First, breathing stops for periods of time while asleep.

  • Sleep apnea

Second, central carbon dioxide receptors decrease response while peripheral oxygen receptors maintain response. The answer starts with the letters CLI

  • Chronic lung insufficiency

What treatment could kill a patient with chronic lung insufficiency?

  • The use of oxygen could kill a patient with chronic lung insufficiency

There are two kinds of sleep apnea. What are they?

  • Obstructive sleep apnea and central sleep apnea

What characterizes obstructive sleep apnea?

  • The structure of the nose or mouth or throat temporarily closes, obstructing air flow

What is one common complaint of people with obstructive sleep apnea? This complain is usually made by wives about their husbands.

  • Snoring

What is going on in the presence of central sleep apnea?

  •  The central nervous system is not adequately signaling inspiration

What breathing disorder is possibly one of the causes of sudden infant death syndrome?

  • Central sleep apnea syndrome is a possible cause of SIDS.

Student doctor, please pause the tape and summarize what we’ve discussed about breathing disorders.

  • There are two breathing disorders: sleep apnea and chronic lung insufficiency. In the presence of sleep apnea, breathing stops for periods of time while asleep. With chronic lung insufficiency, central carbon dioxide receptors decrease response while peripheral oxygen receptors maintain response. The use of oxygen could kill a patient with chronic lung insufficiency. The two kinds of sleep apnea are obstructive and central. With obstructive sleep apnea, the structure of the nose or mouth or throat temporarily closes, obstructing air flow. One common complaint of people with obstructive sleep apnea is snoring. In the presence of central sleep apnea, the central nervous system is not adequately signaling inspiration. Central sleep apnea is a possible cause of SIDS.

****END OF TRANSCRIPTION****

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