Common cardiovascular hazards of physical reconditioning for patients with chronic lung disease include which of the following? 1. Cardiac arrhythmias 2. Systemic hypotension 3. Muscle contractures
a. 1 and 2 only
b. 2 and 3 only
c. 1 and 3 only
d. 1, 2, and 3
ANS: B
Potential hazards include the following: (1) cardiovascular abnormalities, such as cardiac ar-rhythmias (can be reduced with supplemental oxygen during exercise) and systemic hypotension and hypertension tension; (2) blood gas abnormalities (arterial desaturation, hypercapnia, and ac-idosis); and (3) muscular abnormalities (functional or structural injuries, diaphragmatic fatigue and failure, and exercise-induced muscle contracture).
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