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What is a PDA?

A PDA is a Pediatricians Diagnostic Asistant. It is an electronic version of how most Peidatricans make a diagnosis of common childhood diseases. It will not give the right diagnosis most of the time, but it will help arrive at a reasonable diagnosis frequently.

A PDA is based on probability and likelihood of a diseases based on to the signs and symptoms that a parent give the Pediatrician. When primary care physicians make a diagnosis, they arrive at it by asking about 5 to 10 critical questions during the clinical interview. Experienced physicians get about 85% of the diagnostic clue from the story of the patient or the parent.

The physical examination probably provides only 10% of the idagnostic clue. And maybe laboratory tests and imaging provide only 5% in the diagnosis.

Since most primary care physicians make a diagnosis mostly by asking questions, an elctronic PDA can similarly ask critical questions and arrive at good diagnosis close to the physicians actual performance.

The diagnostic process start at a Chief Complaint or the main symptom that brought the child to the physician’s office.

Let as take for an example: Both parents went to a pediatrician because of prolonged cough.

The chief complaint that the physician will think about is:  Chronic cough.

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