What is a common sign of pneumonia in children as per IMCI guidelines?

Fast breathing is recognized as a common sign of pneumonia in children according to IMCI guidelines. In the context of pneumonia, the respiratory rate may increase due to the effort required to breathe in order to get enough oxygen, as the lungs are affected by infection or inflammation. This symptom is typically assessed during a clinical examination, where the health worker observes the child's breathing pattern.

Rapid breathing can be an early indicator of respiratory distress, signaling the need for further evaluation and potential treatment. Identifying this sign promptly is crucial for managing pneumonia effectively and preventing complications.

In contrast, normal heartbeat suggests a stable cardiac function and does not indicate respiratory issues. Clear nasal discharge typically points to upper respiratory conditions rather than pneumonia, which usually affects the lungs. High energy levels would not be expected in a child with pneumonia, as the condition often causes fatigue and lethargy due to the body fighting off the infection.