Drugs causing optic neuropathy

1. Alcohol
2. Tobacco
3. Ethambutol
4. Methyl alcohol
5. Quinine
6. Hypoxylchloroquine
7. Radiation

Causes of low blood urea

1. SIADH
2. Anabolic state
3. Hypothyrodism
4. Decrease eGFR
5. Severe liver disease

Girotra triad

Gitrota Triad

1. Abdominal pain
2. Diarrhoea
3. Abdominal distension

Other features

• Leukocytosis(>18,000/cubic mm)
• Haemodynamic instability

Reference

Girotra M, Kumar V, Khan JM, Damisse P, Abraham RR, Aggarwal V, et al. Clinical predictors of fulminant colitis in patients with Clostridium difficile infection. Saudi journal of gastroenterology : official journal of the Saudi Gastroenterology Association. 2012;18(2):133–9. 

Dialyzable substances/drugs

Mnemonics

SCAB  PLATES

S- SOTALOL

C-CHLORAL HYDRATE

A-ATENOLOL

B- BROMIDE

P-PROCAINAMIDE

L-LITHIUM

A-ALCOHOL(Ethanol,Methanol, Isopropyl Alcohol)

T- THEOPHYLINE

E-ETHYL GLYCOL

S- SALYCYLIC ACID

Brain Natriuretic Peptide

Note on BNP
 BNP also Brain Natreuretic Peptide/ B-type Natreuretic Peptide

•  secreted by ventricle
• useful in prognosticating heart failure(HF) ,screening  of chronic heeart failure(cut off 100pg/L, if normal it is not heart failure) and treatment (recombinant BNP = Niseritide)
• Niseritide is used to treat decompensated heart failure.

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