Saturday, August 27, 2016

Polyarteritis nodosa mnemonic


Polyarteritis nodosa is a necrotizing vaculitis of small and medium sized muscular arteries.

Soo.. Here are some things you must remember with polyarteritis nodosa.

It spares the lung.
Mnemonic: PAN - Pulmonary Arteries Not involved.
PS: Bronchial vessels can be involved.

It is associated with hepatitis B.
Mnemonic: hePANitis B
It is important to test for active hepatitis B before starting treatment because treatment involves immunosuppression.

Polyarteritis nodosa mnemonic
It usually presents with vague symptoms like myalgias, arthralgias, abdominal pain, fatigue.
Renal involvement manifests as hypertension, renal insufficiency.
There maybe nausea, vomiting and abdominal pain due to GI involvement (Untreated patients may die of bowel infarcts, perforations)
Peripheral neuropathy, rash, purpura, CHF, CVA, etc are other manifestations of the disease.

This mnemonic was submitted by Kumar. Thanks mate!
PANmural: Transmural inflammation of the arterial wall.
PANpable: Palpable purpura is seen in PAN.

That's all!


  1. PANtastic Ipan as usual!
    I have more masala PAN for you:
    PAN --> PANmural = Transmural inflammation of the arterial wall.
    PAN --> Panpable purpura

    1. Hahahahhaa you're so PANny, Kumar!
      PANks for the mnemonic, we don't need to PANic about PAN anymore xD

  2. I'm new to this. I'm waiting on a definite diagnosis.


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