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A 60-Year-Old Man with COPD Is Chronically Hypoxemic and Hypercapnic

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A 60-year-old man with COPD is chronically hypoxemic and hypercapnic.A standard electrocardiogram (ECG) reveals a strongly negative QRS complex in lead I and a more positive than negative QRS complex in aVF.What explains this finding?


Definitions:

Sexual Desires

The feelings or impulses that lead individuals to seek out or engage in sexual activities.

Daytime Insomnia

Difficulty falling asleep during the day, often seen in shift workers or those with circadian rhythm disorders.

Sleep Terror

A sleep disorder causing feelings of terror or dread, typically occurring during the first few hours of stage 3-4 non-REM sleep, with sufferer usually unable to recall the episode upon waking.

Enuresis

A condition characterized by involuntary urination, especially by children at night, also known as bedwetting.

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