BEST MEDICAL MNEMONICS

  Medical Mnemonics

Skin conditions and important associations

Acanthosis nigricans -- Insulin resistance (Polycystic Ovarian Syndrome), Gastrointestinal malignancy

Multiple skin tags   -- Insulin resistance , Pregnancy and Crohn disease (perianal)

Porphyria cutanea tarda
Cutaneous leukocytoclastic vasculitis (palpable purpura) secondary to cryoglobulinemia, Lichen planus --
Hepatitis C

Dermatitis herpetiformis  -- Celiac disease

Sudden-onset severe psoriasis 
Recurrent herpes zoster 
Disseminated molluscum contagiosum   -- HIV infection

Severe seborrheic dermatitis  -- HIV infection and Parkinson disease

Explosive onset of multiple itchy seborrheic keratosis -- GI malignancy

Pyoderma gangrenosum -- IBD (inflammatory bowel disease)

Vitiligo -- other autoimmune conditions such as Celiac disease, Pernicious anemia , autoimmune thyroid disease, type 1 diabetes mellitus, primary adrenal insufficiency, hypopituitarism, and alopecia areata.

Types of Personality Disorders

Congenital Pyloric Stenois - Important Signs

1.  String sign: thin column of barium leaking through the tightened muscle
2. Shoulder sign: filling defect in the antrum due to prolapse of muscle inward
3.  Mushroom sign: hypertrophic pylorus against the duodenum
4. Railroad track sign: excess mucosa in the pyloric lumen resulting in 2 columns of barium.

Abnormal Pulses and Possible Etiologies

Abnormal Pulses 

Pulsus alternans: sign of left ventricular systolic dysfunction

Pulsus bigeminus: sign of hypertrophic obstructive cardiomyopathy
(HOCM)

Pulsus bisferiens: in aortic regurgitation

Pulsus tardus et parvus: aortic stenosis

Pulsus paradoxus: cardiac tamponade and tension pneumothorax

Irregularly irregular: atrial fibrillation