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Mobile Clinic Detection Probability Index (Rural CAD Screening) Calculator

Mobile Clinic Detection Probability Index (Rural CAD Screening): Explanation and Clinical Context This index is designed for mobile-clinic settings in rural regions, targeting screening of possible Coronary Artery Disease (CAD) in underserved populations. Using variables readily available in a simple outreach screening environment (age, sex, smoking status, hypertension, diabetes, chest pain symptoms), it estimates t

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MOCA Cognitive Assessment Calculator

MOCA Cognitive Assessment Explanation and Clinical Context MOCA is a structured cognitive screening tool designed to detect mild cognitive impairment in a broad range of clinical settings. It evaluates multiple cognitive domains including executive function visuospatial skills language memory attention abstraction and orientation. The assessment is widely used because it captures subtle deficits that may not be visib

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Modified Aldrete Post Anesthesia Score Calculator

Modified Aldrete Post Anesthesia Score Explanation and Clinical Context The Modified Aldrete Post Anesthesia Score is a bedside clinical tool used to assess recovery after anesthesia in the post anesthesia care unit. It evaluates five key domains activity, respiration, circulation, consciousness, and oxygen saturation, each scored from zero to two for a maximum total score of ten. Higher scores indicate more complete

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Modified Asthma Predictive Index Calculator

Modified Asthma Predictive Index Explanation and Clinical Context The Modified Asthma Predictive Index is a validated clinical tool used to estimate the risk of developing persistent asthma in children who present with recurrent wheezing during early childhood. The index is designed to differentiate transient wheezing associated with viral illness from an evolving chronic airway disease pattern. The tool uses a combi

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Modified Early Warning Score MEWS Calculator

Modified Early Warning Score MEWS Explanation and Clinical Context Modified Early Warning Score is a bedside tool designed to identify patients at risk of clinical deterioration through a structured evaluation of vital signs and neurological status. MEWS incorporates respiratory rate heart rate systolic blood pressure temperature and level of consciousness. Each parameter is assigned points based on the degree of abn

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Modified Shock Index (MSI) Calculator

Modified Shock Index (MSI): Explanation and Clinical Context The Modified Shock Index (MSI) is a refinement of the traditional Shock Index (SI), which is defined as the ratio of heart rate (HR) to systolic blood pressure (SBP). MSI replaces SBP with mean arterial pressure (MAP) in the denominator, thereby improving sensitivity and specificity in detecting hemodynamic instability. It is calculated as: MSI = Heart Rate

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MONICA Risk Score (Metabolic Syndrome Outcomes) Calculator

MONICA Risk Score (Metabolic Syndrome Outcomes): Explanation and Clinical Context The MONICA Risk Score was developed as part of the WHO MONICA Project to estimate the 10-year risk of cardiovascular events, particularly in individuals with features of metabolic syndrome. It combines age, systolic blood pressure, total cholesterol, HDL cholesterol, fasting glucose, and smoking status into a point-based scoring system.

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Monocyte-Lymphocyte Ratio (MLR) Calculator

Monocyte–Lymphocyte Ratio (MLR): Explanation and Clinical Context The Monocyte–Lymphocyte Ratio (MLR) is a simple hematological index derived from routine complete blood counts by dividing the absolute monocyte count by the absolute lymphocyte count. It has emerged as a prognostic marker in various cardiovascular and inflammatory conditions. Elevated MLR has been associated with higher systemic inflammation, increase

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MR Angiography Index (MRAI) Calculator

MR Angiography Index (MRAI): Explanation and Clinical Context MR Angiography Index (MRAI) is a semi-quantitative scoring system used to assess the severity and burden of arterial stenosis based on magnetic resonance angiography (MRA). Each arterial segment is scored from 0 (no stenosis) to 4 (total occlusion), and the total MRAI reflects the overall extent of vascular disease. Higher MRAI values indicate more extensi

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MR-proADM Index Calculator

MR-proADM Index: Explanation and Clinical Context Midregional proadrenomedullin (MR-proADM) is a stable fragment of adrenomedullin precursor, a peptide involved in vasodilation, endothelial function, and cardiovascular homeostasis. It serves as a biomarker for cardiovascular and sepsis-related risk, reflecting disease severity and predicting adverse outcomes. Clinical studies have shown that MR-proADM levels correlat

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MR-ProADM Risk Score Calculator

MR-proADM Risk Score: Explanation and Clinical Context The MR-proADM Risk Score is a biomarker-based tool used to assess the severity and predict clinical outcomes in patients with acute infections, sepsis, or other critical illnesses. MR-proADM (mid-regional pro-adrenomedullin) is a stable fragment of adrenomedullin, a peptide involved in vascular tone regulation and endothelial integrity. Elevated MR-proADM levels

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MRI Pericardial Inflammation Index (PII) Calculator

MRI Pericardial Inflammation Index (PII): Comprehensive Explanation and Clinical Context The MRI Pericardial Inflammation Index (PII) is a composite score derived from key MRI parameters: pericardial thickness, T2-STIR signal intensity, and LGE intensity ratio. This index aids in assessing the extent of pericardial inflammation, which is crucial for diagnosing conditions like acute pericarditis and evaluating the ris

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MRI-LGE Extent (% LV Mass Fibrosis) Calculator

MRI-LGE Extent (% LV Mass Fibrosis): Comprehensive Explanation and Clinical Context This calculator estimates the proportion of myocardial fibrosis (late gadolinium enhancement, LGE) relative to total left ventricular (LV) mass using cardiac MRI data: %LGE = (LGE mass / LV mass) × 100. When input volumes are provided, they are converted to grams assuming a myocardial density of 1.05 g/mL. LGE reflects focal myocardia

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MUSTT Score (VT Inducibility) Calculator

MUSTT Score (VT Inducibility): Explanation and Clinical Context The MUSTT (Multicenter Unsustained Tachycardia Trial) Score is designed to estimate the risk of arrhythmic events and sudden cardiac death in patients with prior myocardial infarction, left ventricular dysfunction, and non-sustained ventricular tachycardia. It incorporates key clinical parameters: age, left ventricular ejection fraction, NYHA functional

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mWHO Maternal Cardiovascular Risk Calculator

mWHO Classification of Maternal Cardiovascular Risk (2022 ESC): Explanation and Clinical Context The mWHO classification stratifies women with pre-existing cardiovascular disease according to the risk of maternal mortality and morbidity during pregnancy. It is a widely accepted tool in cardiology and obstetrics for counseling, planning, and monitoring pregnant women with cardiac conditions. - mWHO I indicates no dete

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MYH7-MYBPC3 Mutation Severity Score Calculator

MYH7/MYBPC3 Mutation Severity Score - Explanation, clinical context and references This prototype score aggregates genotype (gene and variant class), allele status (heterozygous vs compound/biallelic), family history of sudden cardiac death, age at diagnosis, maximal left ventricular wall thickness, arrhythmic markers (non-sustained ventricular tachycardia), recent unexplained syncope, left ventricular outflow tract

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Myocardial Conduction Abnormality Score (MCAS) Calculator

Myocardial Conduction Abnormality Score (MCAS): Explanation and Clinical Context The Myocardial Conduction Abnormality Score (MCAS) is a clinical tool developed to estimate the risk of conduction disturbances in patients with underlying cardiac disease, particularly those with prior myocardial infarction or age-related conduction changes. The score combines key variables including age, QRS duration, PR interval, pres

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Myocardial Edema Ratio (MER) Calculator

Myocardial Edema Ratio (MER): Explanation and Clinical Context The Myocardial Edema Ratio (MER) is a quantitative index derived from T2-weighted cardiac MRI images, calculated as the ratio of myocardial signal intensity (SI) to skeletal muscle SI. It is used to identify myocardial edema, commonly observed in acute myocardial injury such as myocarditis, acute myocardial infarction, or inflammatory cardiomyopathies. A

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Myocardial Flow Reserve (MFR) Calculator

Myocardial Flow Reserve (MFR): Explanation and Clinical Context Myocardial Flow Reserve (MFR) is a quantitative index derived from positron emission tomography (PET) myocardial perfusion imaging, calculated as the ratio of hyperemic (stress) myocardial blood flow (MBF) to resting MBF. An MFR value below 2.0 is considered abnormal and reflects impaired coronary vasodilator capacity, which may result from epicardial co

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Myocardial Injury after Noncardiac Surgery (MINS) Risk Predictor

Myocardial Injury after Noncardiac Surgery (MINS): Explanation and Clinical Context MINS refers to myocardial injury occurring within 30 days after noncardiac surgery, attributed to ischemic mechanisms and detected by postoperative cardiac troponin elevation. It is common, often clinically silent, and independently associated with short-term and long-term mortality. The preoperative model implemented here estimates i

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Myocardial Perfusion Index (MPI) Calculator

Myocardial Perfusion Index (MPI): Explanation and Clinical Context The Myocardial Perfusion Index (MPI) quantifies the ratio of myocardial blood flow during stress to resting myocardial blood flow, serving as a non-invasive marker of coronary microvascular function and myocardial perfusion reserve. An MPI value near 2.0–3.0 is generally considered normal, reflecting adequate perfusion reserve. Reduced MPI values indi

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Myocardial Protection Risk Index (MPRI) Calculator

Myocardial Protection Risk Index: Explanation and Clinical Context The Myocardial Protection Risk Index (MPRI) is a validated tool designed to estimate perioperative risk of myocardial injury and adverse outcomes during cardiac surgery. It integrates clinical variables including age, left ventricular ejection fraction, history of previous myocardial infarction, urgency of surgery, diabetes mellitus, and renal functio

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Myocardial Salvage Score (MSS) Calculator

Myocardial Salvage Score (MSS): Explanation and Clinical Context The Myocardial Salvage Score (MSS) quantifies the proportion of myocardium saved from infarction after coronary artery bypass grafting (CABG) or reperfusion therapy. It is calculated using the formula: MSS (%) = [(Area at Risk - Infarct Size) / Area at Risk] × 100 Where Area at Risk (AAR) represents the myocardium initially jeopardized by ischemia, and

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Myocardial Strain (GLS, GCS, GRS) Calculator

Calculate Global Longitudinal Strain (GLS), Global Circumferential Strain (GCS), and Global Radial Strain (GRS) Myocardial Strain (GLS, GCS, GRS): Comprehensive Explanation and Clinical Context Myocardial strain quantifies myocardial deformation as a percentage change from the end-diastolic state. Global Longitudinal Strain (GLS) reflects the shortening of subendocardial longitudinal fibers and is reported as a negat

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Myocardial Strain MRI (FT Strain) Calculator

Myocardial Strain MRI (Feature Tracking, FT) : Explanation and Clinical Context Myocardial strain imaging using cardiac MRI feature tracking (FT) allows non-invasive quantification of myocardial deformation in three directions: longitudinal (GLS), circumferential (GCS), and radial (GRS). It provides early detection of subclinical myocardial dysfunction even when left ventricular ejection fraction (LVEF) is preserved.

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Myocardial Work Efficiency Index (MWEI) Calculator

Myocardial Work Efficiency Index (MWEI): Explanation and Clinical Context The Myocardial Work Efficiency Index (MWEI) is a novel, non-invasive echocardiographic parameter derived from left ventricular (LV) pressure–strain loops. It integrates LV deformation (strain) and afterload to evaluate the energy efficiency of myocardial contraction. The index is calculated as the ratio between Global Constructive Work (GCW)—th

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Myocarditis Severity Index (MRI-based) Calculator

Myocarditis Severity Index (MRI-based): Explanation and Clinical Context The Myocarditis Severity Index (MSI) is a composite score derived from key cardiac MRI parameters, including Left Ventricular Ejection Fraction (LVEF), T2 Mapping, and Late Gadolinium Enhancement (LGE). This index aids in assessing the severity of myocarditis and predicting clinical outcomes. A higher MSI indicates greater myocardial inflammatio