呼吸内科 计算器
Respiratory medicine calculators for lung function assessment, oxygenation, ventilation targets, and pulmonary risk stratification.
所有呼吸内科计算器
A-a Gradient Calculator
Calculate alveolar-arterial oxygen gradient to differentiate causes of hypoxaemia. Free respiratory clinical tool.
PaO₂/FiO₂ (P/F) Ratio
Calculate PaO₂/FiO₂ ratio to classify ARDS severity (Berlin definition) and oxygenation status. Free ICU tool.
Spirometry Results Interpreter
Interpret FEV₁, FVC, and FEV₁/FVC ratio to classify obstructive, restrictive, and mixed patterns. Free respiratory tool.
DLCO (Diffusion Capacity) Interpreter
Interpret diffusing capacity for carbon monoxide relative to predicted values. Assess gas exchange impairment. Free tool.
BODE Index (COPD)
Calculate BODE index (BMI, Obstruction, Dyspnoea, Exercise) to predict COPD mortality. Free respiratory tool.
COPD Assessment Test (CAT)
Calculate CAT score to quantify COPD impact on daily life. Guide therapy intensification. Free respiratory tool.
Oxygen Therapy Target Calculator
Calculate target oxygen saturation and flow rate for different clinical conditions. Free respiratory clinical tool.
Mechanical Ventilation Calculator
Calculate initial ventilator settings: tidal volume (6 mL/kg IBW), respiratory rate, PEEP, and driving pressure. Free ICU tool.
Predicted Body Weight (Ventilation)
Calculate predicted body weight for lung-protective ventilation tidal volume calculation. Free critical care tool.
PSI/PORT Pneumonia Severity
Calculate Pneumonia Severity Index (PSI/PORT score) to risk-stratify CAP. Guide outpatient vs inpatient decision. Free.
CURB-65 Pneumonia Severity
Apply CURB-65 criteria for community-acquired pneumonia severity assessment. Guide admission decisions. Free.
PESI Score (PE Severity)
Calculate Pulmonary Embolism Severity Index to stratify PE mortality risk. Guide reperfusion therapy. Free tool.
Light's Criteria (Pleural Fluid)
Apply Light's criteria to classify pleural effusion as transudate or exudate. Free respiratory clinical tool.
Asthma Severity Classification
Classify asthma severity (intermittent, mild/moderate/severe persistent) using GINA criteria. Guide stepwise therapy. Free.
Minute Ventilation Calculator
Calculate minute ventilation (VE = VT × RR) and assess adequacy of ventilation in mechanically ventilated patients. Free.