Spinal muscular atrophy with respiratory distress (SMARD) includes type 1 (SMARD1) and type 2 (SMARD2). Learn about symptoms, causes, treatments, and more.

Accessory muscles are additional muscles the body activates to help inhale and exhale air into the lungs. Learn more here. ... Respiratory muscle function in the newborn: ...

Accessory muscles. Accessory muscles assist but do not play a primary role in breathing. Using these muscles while at rest is often interpreted as a sign of respiratory distress.

Normally, the diaphragm muscle drives about 50% of respiratory force, but other muscles provide the remainder. In MD, that balance is changed once the diaphragm becomes damaged.

Respiratory failure has two main components: ventilatory dysfunction and hypoxemia. Ventilatory dysfunction leads to dyspnea, increased work of breathing, use of accessory muscles, and hypercapnia ...

Markus Schuelke, Colin Johnson and colleagues report the identification of mutations in MEGF10 that cause infantile myopathy with diaphragmatic weakness, areflexia, respiratory distress and dysphagia.

Both dyspnea and respiratory drive went down with vs. without nasal high-flow therapy in orally intubated patients, according ...