The Eckardt clinical staging of achalasia is a scoring system used to assess the severity of achalasia, a rare disorder that affects the esophagus. This calculator is applicable to patients diagnosed with achalasia, a condition characterized by difficulty swallowing, regurgitation, and sometimes chest pain. 

The clinical utility of the Eckardt score lies in its ability to quantify the severity of achalasia symptoms, guide treatment decisions, and monitor disease progression or response to treatment. The score is based on four symptoms: dysphagia, regurgitation, chest pain, and weight loss. Each symptom is scored from 0 (absent) to 3 (severe), with a total score ranging from 0 to 12.

There are no specific exclusion criteria for the use of the Eckardt score. However, it may not be as useful in patients with other esophageal disorders or in those who have undergone previous treatments for achalasia, as these factors could potentially influence the symptom scores.

Eckardt clinical staging of achalasia

# Description:
The Eckardt clinical staging of achalasia is a scoring system used to assess the severity of achalasia, a rare disorder that affects the esophagus. This calculator is applicable to patients diagnosed with achalasia, a condition characterized by difficulty swallowing, regurgitation, and sometimes chest pain. 

The clinical utility of the Eckardt score lies in its ability to quantify the severity of achalasia symptoms, guide treatment decisions, and monitor disease progression or response to treatment. The score is based on four symptoms: dysphagia, regurgitation, chest pain, and weight loss. Each symptom is scored from 0 (absent) to 3 (severe), with a total score ranging from 0 to 12.

There are no specific exclusion criteria for the use of the Eckardt score. However, it may not be as useful in patients with other esophageal disorders or in those who have undergone previous treatments for achalasia, as these factors could potentially influence the symptom scores.
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# Inputs:
## Weight loss, kg
A. None (+0)
B. < 5 (+1)
C. 5-10 (+2)
D. > 10 (+3)

## Dysphagia
E. None (+0)
F. Occasional (+1)
G. Daily (+2)
H. Each meal (+3)

## Retrosternal pain
I. None (+0)
J. Occasional (+1)
K. Daily (+2)
L. Each meal (+3)

## Regurgitation
M. None (+0)
N. Occasional (+1)
O. Daily (+2)
P. Each meal (+3)
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# Scoring:
- If score <= 1, then Stage 0. Remission.
- If score <= 3, then Stage I. Remission.
- If score <= 6, then Stage II. Treatment failure.
- If score > 6, then Stage III. Treatment failure.
- If score == 0, then Please make a selection)