Diagnosaurus DDx 1.5

the author of this app says:

Diagnosaurus -- powered by Unbound Medicine

This quick reference tool helps healthcare professionals perform differential diagnosis with speed and confidence at the point of care. Used by hundreds of thousands of doctors, nurses, and students across the globe, Diagnosaurus is now available for the iPhone and iPod touch on the award-winning Unbound platform.

With Diagnosaurus you can quickly search over 1,000 diagnoses by organ system, symptom, disease, or view all entries. Use the valuable See related DDx feature within each selection to consider alternative diagnoses and quickly link to those entries. Convenient Favorites feature allows you save specific searches and bookmark in your personal archive.

Developed by McGraw-Hill, Diagnosaurus includes over 1,000 differential diagnoses for Medicine and Surgery.

Diagnosaurus for iPhone features:
More than 1,000 differential diagnoses
Disease, symptom, or organ system searching
Personalized favorites
Extensive links to related entries
Optimized interface for iPhone and iPod touch