Hand & FingersDiagnostic Algorithm

Diagnostic Flowchart: Hand & Fingers

Follow the algorithm step by step. Click on options to navigate through the decision tree.

start

Hand Pain Assessment

Full Algorithm Overview

Hand Pain Assessment

→ q_trauma_hand

Acute injury with laceration or deformity?

Yes → q_tendonNo → q_trigger

Unable to flex finger (FDS/FDP test abnormal)?

Yes → d_tendon_injuryNo → q_fracture_hand

Flexor Tendon Injury — URGENT

Bony tenderness, deformity, or rotational malignment?

Yes → d_fracture_handNo → q_mallet

Hand/Finger Fracture

Unable to extend DIP joint (drooping fingertip)?

Yes → d_malletNo → q_trigger

Mallet Finger

Finger locking/catching in flexion? Palpable nodule at A1 pulley?

Yes → d_triggerNo → q_inflammatory

Trigger Finger

Symmetrical MCP/PIP swelling? Morning stiffness >30 min?

Yes → d_raNo → q_oa_hand

Suspected Rheumatoid Arthritis — URGENT

Bony enlargements at DIP/PIP joints? Age >50?

Yes → d_oa_handNo → q_dupuytren

Hand Osteoarthritis

Palmar nodules/cords with finger contracture?

Yes → d_dupuytrenNo → d_other_hand

Dupuytren's Contracture

Consider: Ganglion, infection, gout, other