TORCH
Electrolyte? Yeah, they don't weigh much
DMARD spaghetti
Autoimmune screen
Empiric therapy
100

Meningoencephalitis with vesicular skin lesions, especially on the scalp

HSV

100

Causes widened QRS waves, tented T waves

Hyperkalaemia

100

A text theorem

Methotrexate

100

Anti-CCP

Rheumatoid arthritis

100
Rifampicin, isoniazid, ethambutol, pyrazinamide

Tuberculosis

200

chorioretinitis, diffuse intracranial calcifications, hydrocephalus, but at least they won't be scared of cats

Toxoplasmosis

200

Caused by Addison's disease, SIADH, liver failure and many more

Hyponatraemia

200

Sinful azaleas

sulfasalazine

200

Scl-70

Scleroderma

200

Ceftriaxone and azithromycin

Severe pneumonia

300

Blueberry muffin rash, cardiac defects, cataracts and cochlear defects

Rubella

300

Causes bone pain, nausea, kidney stones and psychiatric disturbances

Hypercalcaemia

300

A phat ionizer

Azathioprine

300

Anti-cardiolipin, lupus anticoagulant, anti-beta2 glycoprotein I 

Antiphospholipid syndrome
300

Ceftriaxone and dexamethasone

Meningitis

400

Microcephaly, sensorineural hearing loss and chorioretinitis

CMV

400

Patients with this electrolyte abnormality will give you salacious little wink if you tap on their cheeks

Hypocalcaemia

400

Maxi-bruit

Rituximab

400

Anti-endomysial antibody, anti-tissue transglutaminase antibodies

Coeliac disease

400

Benzylpenicillin, flucloxacillin and gentamicin 

Infective endocarditis

500

Saddle nose, Hutchinson teeth, skeletal abnormalities and a whole lot more

Syphilis

500

Think tremors, tetany, cramps and migraines

Hypomagnesaemia

500

Phoney Camelot

Mycophenolate
500

Anti-PLA2R

Membranous nephropathy

500

Zidovudine, abacavir and nevirapine, for example

HIV