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Added HEART Score, GRACE 1.0 In Hospital, and MELD-Na

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saksham vitwekar
2026-04-04 01:43:33 +05:30
parent 1a0a3d9e08
commit 14b90904b1
6 changed files with 529 additions and 3 deletions
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233
src/app/utils/calculators/Emergency/GRACE_Inhosp.ts Normal file
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import { Calculator, Input, Interpretation, Values } from "../types";
const parameters:Input[] = [
{
id:"age",
name:"Age",
placeholder:"Enter the age",
type:"number",
required:true
},
{
id:"hr",
name:"Heart Rate",
placeholder:"Enter the Heart Rate",
type:"number",
required:true,
defaultUnit:"beats/minute"
},
{
id:"sbp",
name:"Systolic Blood Pressure",
placeholder:"Enter the Systolic Blood Pressure",
type:"number",
required:true,
defaultUnit:"mmHg"
},
{
id:"cret",
name:"Serum Creatinine",
placeholder:"Enter the serum creatinine",
type:"number",
required:true,
defaultUnit:"mg/dL"
},
{
id:"killip",
name:"Killip Class",
type:"select",
placeholder:"Select the killip class",
required:true,
inputOptions:[
{
label:"Class I",
value:"I"
},
{
label:"Class II",
value:"II"
},
{
label:"Class III",
value:"III"
},
{
label:"Class IV",
value:"IV"
}
]
},
{
id:"cardiacarrest",
name:"Cardiac Arrest",
placeholder:"Whether the patient was in cardiac arrest at the time of admission",
type:"checkbox",
required:true
},
{
id:"cardiacmarkers",
name:"Elevated Cardiac Markers",
placeholder:"Whether the patient had elevated cardiac markers",
type:"checkbox",
required:true
},
{
id:"deviation",
name:"ST segment deviation",
placeholder:"Whether the patient had ST segment deviation",
type:"checkbox",
required:true
}
]
export const GRACE_Inhosp : Calculator = {
id:"grace_inhosp",
name:"GRACE 1.0 (In-Hospital)",
desc:"The GRACE (Global Registry for Acut Coronary Events) Score is a clinical tool to estimate the risk of death or myocardial infarction (MI) during In-Hospital Admission in patients who have suffered Acute Coronary Syndrone (ACS)",
inputs:parameters,
calc_func:(values: Values):number => {
const age = values.age as number;
const hr = values.hr as number;
const sbp = values.sbp as number;
const cret = values.cret as number;
const killip = values.killip as "I" | "II" | "III" | "IV";
const cardiacarrest = values.cardiacarrest as boolean;
const cardiacmarkers = values.cardiacmarkers as boolean;
const deviation = values.deviation as boolean;
var score = 0;
if(age >= 30 && age < 40) score = score + 8;
else if(age >=40 && age < 50) score = score + 25;
else if(age >= 50 && age < 60) score = score + 41;
else if(age >= 60 && age < 70) score = score + 58;
else if(age >= 70 && age < 80) score = score + 75
else if(age >= 80 && age < 90) score = score + 91;
else score = score + 100;
if (hr < 50) score += 0;
else if (hr <= 69) score += 3;
else if (hr <= 89) score += 9;
else if (hr <= 109) score += 15;
else if (hr <= 149) score += 24;
else if (hr <= 199) score += 38;
else score += 46;
if (sbp < 80) score += 58;
else if (sbp <= 99) score += 53;
else if (sbp <= 119) score += 43;
else if (sbp <= 139) score += 34;
else if (sbp <= 159) score += 24;
else if (sbp <= 199) score += 10;
else score += 0;
if (cret <= 0.39) score += 1;
else if (cret <= 0.79) score += 4;
else if (cret <= 1.19) score += 7;
else if (cret <= 1.59) score += 10;
else if (cret <= 1.99) score += 13;
else if (cret <= 3.99) score += 21;
else score += 28;
if (killip === "I") score += 0;
else if (killip === "II") score += 20;
else if (killip === "III") score += 39;
else if (killip === "IV") score += 59;
if (cardiacarrest) score += 39;
if (cardiacmarkers) score += 14;
if (deviation) score += 28;
return score;
},
interpret_func:(score : number) : Interpretation => {
if(score <= 60) return {
level:"low",
message:"Probability of In Hospital Mortality is less than or equal to 0.2%"
}
if(score <= 70 ) return {
level:"low",
message:"Probability of In Hospital Mortality is less than or equal to 0.3%"
}
if(score <= 80 ) return {
level:"low",
message:"Probability of In Hospital Mortality is less than or equal to 0.4%"
}
if(score <= 90 ) return {
level:"low",
message:"Probability of In Hospital Mortality is less than or equal to 0.6%"
}
if(score <= 100 ) return {
level:"low",
message:"Probability of In Hospital Mortality is less than or equal to 0.8%"
}
if(score <= 110 ) return {
level:"low",
message:"Probability of In Hospital Mortality is less than or equal to 1.1%"
}
if(score <= 120 ) return {
level:"low",
message:"Probability of In Hospital Mortality is less than or equal to 1.6%"
}
if(score <= 130 ) return {
level:"low",
message:"Probability of In Hospital Mortality is less than or equal to 2.1%"
}
if(score <= 140 ) return {
level:"low",
message:"Probability of In Hospital Mortality is less than or equal to 2.9%"
}
if(score <= 150 ) return {
level:"moderate",
message:"Probability of In Hospital Mortality is less than or equal to 3.9%"
}
if(score <= 160 ) return {
level:"moderate",
message:"Probability of In Hospital Mortality is less than or equal to 5.4%"
}
if(score <= 170 ) return {
level:"moderate",
message:"Probability of In Hospital Mortality is less than or equal to 7.3%"
}
if(score <= 180 ) return {
level:"severe",
message:"Probability of In Hospital Mortality is less than or equal to 9.8%"
}
if(score <= 190 ) return {
level:"severe",
message:"Probability of In Hospital Mortality is less than or equal to 13%"
}
if(score <= 200 ) return {
level:"severe",
message:"Probability of In Hospital Mortality is less than or equal to 18%"
}
if(score <= 210 ) return {
level:"severe",
message:"Probability of In Hospital Mortality is less than or equal to 23%"
}
if(score <= 220 ) return {
level:"severe",
message:"Probability of In Hospital Mortality is less than or equal to 29%"
}
if(score <= 230 ) return {
level:"severe",
message:"Probability of In Hospital Mortality is less than or equal to 36%"
}
if(score <= 240 ) return {
level:"severe",
message:"Probability of In Hospital Mortality is less than or equal to 44%"
}
if(score < 250 ) return {
level:"severe",
message:"Probability of In Hospital Mortality is less than or equal to 44%"
}
if(score >= 250) return {
level:"severe",
message:"Probability of In Hospital Mortality is more than or equal to 52%"
}
return{
level:"none",
message:"Invalid Value"
}
}
}

146
src/app/utils/calculators/General Cardiology/HEART_Score.ts Normal file
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@@ -0,0 +1,146 @@
import { Calculator, Input, Interpretation, Values } from "../types";
const parameters : Input[] = [
{
id:"history",
name:"History",
placeholder:"Select the suspicion level based on history",
type:"select",
inputOptions:[
{
label:"Highly suspicious",
value:"high"
},
{
label:"Moderately suspicious",
value:"moderate",
},
{
label:"Slightly suspicious",
value:"none"
}
],
required:true
},
{
id:"ecg",
name:"ECG Interpretation",
placeholder:"Select the interpretation of ECG",
type:"select",
inputOptions:[
{
label:"Significant ST-Depression",
value:"stdepression"
},
{
label:"Nonspecific Repolarization",
value:"repolarization"
},
{
label:"Normal",
value:"normal"
}
],
required:true
},
{
id:"age",
name:"Age",
type:"number",
placeholder:"Enter the age",
required:true
},
{
id:"risk",
name:"Risk factors",
type:"select",
placeholder:"Select the number of risk factors found",
inputOptions:[
{
label:"3 or more than 3 Risk Factors or history of CAD",
value:"high"
},
{
label:"1 or 2 Risk Factors",
value:"moderate"
},
{
label:"No risk factors",
value:"none"
}
],
required:true
},
{
id:"trop",
name:"Troponin Levels",
placeholder:"Select the amount of Troponin",
type:"select",
inputOptions:[
{
label:"more than 3 times the normal limit",
value:"high"
},
{
label:"1 to 3 times the normal limit",
value:"moderate"
},
{
label:"within normal limits",
value:"none"
}
]
}
]
export const HEART_Score : Calculator = {
id:"heart-score",
name:"HEART Score",
desc:"HEART (History, ECG, Age, Risk factors, Troponin) Score is a risk scoring which predicts 6-week risk of major cardiac events in patients with chest pain",
inputs:parameters,
calc_func:(values : Values):number => {
const history = values.history as "high" | "moderate" | "none";
const ecg = values.ecg as "stdepression" | "repolarization" | "normal";
const age = values.age as number;
const risk = values.risk as "high" | "moderate" | "none";
const trop = values.trop as "high" | "moderate" | "none";
var score = 0;
if(history === "high") score = score + 2;
else if(history === "moderate") score++;
if(ecg === "stdepression") score = score + 2;
else if(ecg === "repolarization") score++;
if(age >= 65) score = score + 2;
else if(age > 45 && age < 65) score++;
if(risk === "high") score = score + 2;
else if(risk === "moderate") score++;
if(trop === "high") score = score + 2;
else if(trop === "moderate") score++;
return score;
},
interpret_func:(score:number):Interpretation => {
if(score >= 0 && score < 4){
return {
level:"low",
message:"There is a chance of 2.5% of Major Adverse Cardiac Event",
advice:"Discharge home"
}
}else if(score >= 4 && score < 7){
return {
level:"moderate",
message:"There is a chance of 20.3% of Major Adverse Cardiac Event",
advice:"Admit for Clinical Observation"
}
}else{
return {
level:"severe",
message:"There is a chance of 72.7% of Major Adverse Cardiac Event",
advice:"Consider early invasive strategies"
}
}
}
}

92
src/app/utils/calculators/Utilities/MELDNa.ts Normal file
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import { Calculator, Input, Interpretation, Values } from "../types";
import { MELD } from "./MELD";
const parameters : Input[] = [
{
id:"sbilirubin",
type:"number",
name:"Serum (Total) Bilirubin",
defaultUnit:"mg/dL",
placeholder:"Enter serum bilirubin levels in mg/dL",
required:true,
min:0,
},
{
id:"screatinine",
type:"number",
name:"Serum Creatinine",
defaultUnit:"mg/dL",
placeholder:"Enter Serum Creatinine levels in mg/dL",
required:true,
min:0.2
},
{
id:'inr',
name:"International Normalized Ratio",
type:'number',
placeholder:"Enter INR values",
required:true,
min:0
},
{
id:"na",
name:"Sodium levels",
type:"number",
placeholder:"Enter the sodium value",
required:true,
min:127,
max:137,
defaultUnit:"mmol/L"
}
];
export const MELDNa:Calculator = {
id:"meldna-score",
name:"Model For End-stage Liver Disease sodium (MELD-Na) score",
desc:"MELD-Na (Model for End-stage Liver Disease sodium) score is a numerical scale ranging from 6 to 40 that estimates the 3-month mortality risk for patients with CLD (Chronic Liver Disease) which also takes in account of sodium levels",
inputs:parameters,
calc_func:(values : Values):number => {
const meldscore:number = MELD.calc_func(values);
const na = values.na as number;
const score:number = meldscore
+ 1.32
* (137 - na)
+ (0.033 * meldscore * (137 - na));
return Math.floor(score);
},
interpret_func:(score : number):Interpretation => {
if(score <= 9){
return {
level:"none",
message:"The mortality prediction percent for the patient is 1.9%",
advice:"Patient is a great candidate for TIPS procedure"
}
}else if(score >= 10 && score < 20){
if(score < 14){
return{
level:"low",
message:"The mortality risk percent for the patient is less than 6.0%",
advice:"Patient is a great candidate for TIPS procedure"
};
}
return{
level:"low",
message:"The mortality risk percent for the patient is from 6.0% to 19.6%",
};
}else if (score >=20 && score < 30){
return {
level:"moderate",
message:"The mortality risk percent for the patient is from 19.6% to 52.6%"
};
}else if(score >= 30 && score < 40){
return {
level:"high",
message:"The mortality risk percent for the patient is from 52.6% to 71.3%"
}
}else{
return {
level:"severe",
message:"The mortality risk percent for the patient is more than 71.3%"
}
}
}
}

10
src/app/utils/calculators/registry.ts
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@@ -5,6 +5,9 @@ import { MELD } from "./Utilities/MELD";
import { MAP } from "./General Cardiology/MAP";
import { TIMI } from "./Emergency/TIMI_score";
import { cha2ds2 } from "./Arrhythmias and Anti-Coagulation/CHA2DS2-VASc-score";
import { MELDNa } from "./Utilities/MELDNa";
import { GRACE_Inhosp } from "./Emergency/GRACE_Inhosp";
import { HEART_Score } from "./General Cardiology/HEART_Score";
export const CalculatorRegistry : Record<string, Section> = {
generalCardiology:{
@@ -31,7 +34,9 @@ export const CalculatorRegistry : Record<string, Section> = {
textColor:"#ccc",
svg:"",
calculators:[
TIMI
TIMI,
GRACE_Inhosp,
HEART_Score
]
},
transplantation:{
@@ -50,7 +55,8 @@ export const CalculatorRegistry : Record<string, Section> = {
svg:"",
calculators:[
cockcroftGault,
MELD
MELD,
MELDNa
]
}
}

2
src/app/utils/calculators/types.ts
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@@ -16,7 +16,7 @@ export interface Input{
id:string,
name:string,
placeholder?:string,
type: "number" | "text" | "select" | "checkbox",
type: "number" | "text" | "select" | "checkbox" | "search",
inputOptions?:inputOptions[],
min?:number,
max?:number,