# CHA₂DS₂-VASc & HAS-BLED Calculator MCP for AI Agents AI Agent Connect

> CHA₂DS₂-VASc & HAS-BLED Calculator helps clinicians assess stroke and bleeding risks for patients with atrial fibrillation. It uses established clinical guidelines to calculate scores and provide clear anticoagulant guidance, helping you balance safety and efficacy in treatment plans.

## Overview
- **Category:** risk-assessment
- **Price:** Free
- **Endpoint:** https://edge.vinkius.com/vk_preview_OuNUbGqE9ylsxOOwZ7r22RhmxEQB3WsNOP3Q8bfT/ai-agent-connect
- **Tags:** afib, cha2ds2vasc, hasbled, stroke-risk, guidelines

## Description

Managing patients with atrial fibrillation means constantly balancing the risk of a stroke against the danger of excessive bleeding. It is a tough needle to thread, especially when a patient has multiple comorbidities or complex blood pressure issues. This Connector takes the heavy lifting out of risk stratification by providing a structured way to process patient data into actionable clinical insights. Instead of flipping between different calculators or trying to remember every nuance of the ESC 2020 criteria, you can let your AI client handle the math. It looks at everything from age and hypertension to diuretic use and vascular disease to give you a clear picture of where the patient stands. When you connect this to your workflow through Vinkius, you get a consistent method for evaluating risk that doesn't leave room for guesswork. It helps you move past just getting a score to actually understanding the annual stroke risk percentage and the specific anticoagulant guidance required for the best patient outcomes. This means you can focus on the patient's overall care plan rather than getting bogged down in the manual arithmetic of risk scores. It creates a unified approach to safety, ensuring that every treatment decision is backed by a clear look at both the potential for stroke and the risk of hemorrhage. By getting these two critical factors into one view, you can provide more confident and personalized care for every patient you see.

## Tools

### query_cha2ds2_vasc_score
This tool calculates the CHA₂DS₂-VASc score for stroke risk. It takes in patient demographics and comorbidities to provide a reliable baseline.

### calculate_hasbled_score
This tool assesses the HAS-BLED score to evaluate bleeding risks. It considers factors like blood pressure and diuretic use to help identify potential complications.

### get_risk_recommendations
This tool synthesizes both scores into a final clinical recommendation. It provides an annual stroke risk percentage and clear anticoagulant guidance.

## Prompt Examples

**Prompt:** 
```
I have a 78-year-old male patient with AFib, HTN, and DM. No history of stroke. He has vascular disease and takes diuretics. What's the risk?
```

**Response:** 
```
Based on the assessment, here is the risk profile for your patient:

| Risk Factor | Score / Detail |
| :--- | :--- |
| **Stroke Risk Score (CHA₂DS₂-VASc)** | 4 |
| **Bleeding Risk Score (HAS-BLED)** | 3 |
| **Annual Stroke Risk** | 4.3% |
| **Recommendation** | Anticoagulation is recommended (Guidance: A) |

This balance suggests a high risk for both stroke and bleeding, requiring careful monitoring of his blood pressure and diuretic use.
```

**Prompt:** 
```
Can you check the bleeding risk for a 65-year-old female with no history of stroke or hypertension?
```

**Response:** 
```
For a 65-year-old female with no history of stroke or hypertension:

* **Stroke Risk Score (CHA₂DS₂-VASc):** 0
* **Bleeding Risk Score (HAS-BLED):** 0 (assuming normal BP and no diuretics)
* **Recommendation:** Low risk for both stroke and bleeding.

Further assessment of her current medications and blood pressure is advised before starting any treatment.
```

**Prompt:** 
```
Give me a full risk assessment for an 85-year-old male. He has a history of stroke, HTN, and DM. BP is 160/95, and he takes diuretics. No GI bleeding.
```

**Response:** 
```
Here is the full risk assessment for your patient:

* **Stroke Risk Score (CHA₂DS₂-VASc):** 6
* **Bleeding Risk Score (HAS-BLED):** 4
* **Annual Stroke Risk:** 10.2%
* **Recommendation:** Anticoagulation is recommended (Guidance: A).

Given the high scores in both categories, you should proceed with caution and monitor for any signs of hemorrhage.
```

## Capabilities

### Calculate stroke risk scores
The Connector processes patient demographics and comorbidities to determine a CHA₂DS₂-VASc score.

### Assess bleeding risks
It evaluates the HAS-BLED scale based on factors like blood pressure and medication use.

### Generate stroke risk percentages
Your agent can provide the specific annual stroke risk percentage based on ESC 2020 criteria.

### Provide anticoagulant guidance
It delivers clear 'O' or 'A' recommendations for patient treatment plans.

### Synthesize risk factors
The tool combines multiple risk scores into a single, cohesive clinical care pathway.

## Use Cases

### Quick Clinic Check
A GP has a 75-year-old patient with AFib and hypertension. They ask the agent to run a full risk assessment to see if anticoagulation is warranted using query_cha2ds2_vasc_score.

### Complex Medication Review
A pharmacist wants to see if a patient's current treatment is safe given their high bleeding risk. They use the calculate_hasbled_score tool to check the HAS-BLED score.

### New Patient Onboarding
A cardiologist is seeing a new patient with vascular disease. They ask the agent to calculate the CHA₂DS₂-VASc score to set a baseline for the treatment plan.

### Guideline Adherence
A clinic wants to ensure all AFib patients are being screened correctly. They use the tool to generate annual stroke risk percentages for their entire patient list.

## Benefits

- Get consistent risk scores by using the query_cha2ds2_vasc_score tool to handle complex patient demographics and comorbidities.
- Identify potential bleeding complications early by using the calculate_hasbled_score tool to check blood pressure and diuretic use.
- Receive precise annual stroke risk percentages based on the ESC 2020 criteria every time you run an assessment.
- Simplify treatment decisions with clear anticoagulant guidance from the get_risk_recommendations tool.
- Reduce the mental load of balancing competing risks by synthesizing multiple factors into one cohesive care pathway.
- Ensure your clinic follows the latest medical guidelines by automating the math for complex AFib risk stratification.

## How It Works

The bottom line is you get a complete risk profile and a clear treatment direction in one step.

1. Provide patient data like age, sex, and medical history.
2. The Connector calculates both the CHA₂DS₂-VASc and HAS-BLED scores.
3. You get a final recommendation with a risk percentage and guidance.

## Frequently Asked Questions

**What is the CHA₂DS₂-VASc & HAS-BLED Calculator for?**
It is a clinical tool for healthcare providers to assess the risks of stroke and bleeding in patients with atrial fibrillation. It helps you decide on the best anticoagulation treatment by balancing these two competing risks.

**Does this Connector follow the latest medical guidelines?**
Yes, it uses the ESC 2020 criteria to provide annual stroke risk percentages and anticoagulant guidance. This ensures your treatment plans stay up to date with current standards.

**How does it help with atrial fibrillation patients?**
It automates the math for complex risk factors like age, hypertension, and diuretic use. It then gives you a clear recommendation on whether to proceed with anticoagulation.

**Can it calculate both stroke and bleeding risk at once?**
Yes, it takes all the patient's data and calculates both the CHA₂DS₂-VASc and HAS-BLED scores in a single workflow. It then provides a synthesized recommendation.

**Is this suitable for general cardiovascular risk?**
No, this specific tool is designed for atrial fibrillation patients. It focuses on the specific balance of stroke and bleeding risks relevant to AFib care.

**What kind of information do I need to provide?**
You will need basic patient demographics (age, sex), medical history (hypertension, diabetes, stroke history), and current stats like blood pressure and medication use (diuretics).

**Does this tool only calculate the CHA₂DS₂-VASc score?**
No. While the **`query_cha2ds2_vasc_score`** tool handles the thromboembolic risk, we also use **`calculate_hasbled_score`** to assess bleeding risk and finally **`get_risk_recommendations`** to synthesize both scores into a single, actionable guideline recommendation.

**How does the tool determine if anticoagulation is needed?**
The recommendation comes from **`get_risk_recommendations`**. This tool combines your CHA₂DS₂-VASc score with the HAS-BLED score to provide a guideline-based decision (O for Oral Anticoagulation, A for Avoidance), ensuring both stroke and bleed risks are weighed.

**Are the scoring criteria based on current medical guidelines?**
Yes. Both the CHA₂DS₂-VASc and HAS-BLED calculations follow established clinical protocols, as implemented in **`query_cha2ds2_vasc_score`** and **`calculate_hasbled_score`**, respectively. The final guidelines are managed by **`get_risk_recommendations`**.