TUNA FISH Mnemonic for Red Flag Symptoms in Back Pain (When to consider further workup / imaging) T - Trauma U - Unexplained weight loss N - Neurological signs / symptoms A - Age > 50 F - Fever I - Intravenous drug use S - Steroid use H - Cancer History #TUNAFISH #Mnemonic #RedFlag #Symptoms #Back #Pain #Diagnosis