The Abbreviated Mental Test (AMT-10) is a commonly used clinical calculator designed to assess cognitive function in elderly patients. It is particularly useful in identifying cognitive impairment, including conditions such as dementia and delirium. The AMT-10 consists of ten questions that evaluate various aspects of cognitive function, including memory, attention, and orientation. 

The AMT-10 is applicable to the elderly population, particularly those in hospital or care home settings, or those presenting with confusion or memory problems. It is a quick and easy tool for healthcare professionals to screen for cognitive impairment and to monitor changes in cognitive function over time. 

The clinical utility of the AMT-10 lies in its ability to provide a rapid assessment of a patient's cognitive status. It can help guide further diagnostic testing, inform treatment decisions, and assist in the planning of care. 

Exclusion criteria for the AMT-10 include patients who are unable to communicate effectively, such as those with severe hearing or speech impairments, or non-English speakers without an interpreter. It may also be less accurate in patients with high levels of education or intelligence, as they may score well despite having significant cognitive impairment.

Abbreviated mental test (AMT-10)

# Criteria
 ## Age
A. Correct (+1)
B. Incorrect (+0)
## Time
C. Correct (+1)
D. Incorrect (+0)
## Current year
E. Correct (+1)
F. Incorrect (+0)
## Patient's address
G. Correct (+1)
H. Incorrect (+0)
## Date of birth
I. Correct (+1)
J. Incorrect (+0)
## Year First World War I started
K. Correct (+1)
L. Incorrect (+0)
## Name of current president
M. Correct (+1)
N. Incorrect (+0)
## Count backwards from 20 to 1
O. Correct (+1)
P. Incorrect (+0)
## What jobs do these people do? (Show a picture of a postman or a cook)
Q. Correct (+1)
R. Incorrect (+0)
## Ask to repeat address given earlier
S. Correct (+1)
T. Incorrect (+0)

# Conditions
- score <= 3
- score <= 5
- score >= 6
- score == 0