Clinical High-Energy External Defibrillator Unit
Delivers calibrated 200 J defibrillation shocks with synchronized cardioversion capability.
Biomedical Engineering / Defibrillator Transthoracic Discharge
FREE TO EXPLORELABORATORY 40 · BIOMEDICAL ENGINEERING
External Defibrillator RLC Damped Sinusoidal Discharge & Transthoracic Impedance
Evaluate the peak discharge current I_peak of a clinical external defibrillator across human transthoracic impedances (TTI) using an RLC damped sinusoidal circuit. Explore interactive physiological instrumentation simulation, biomechanics, and biomedical engineering telemetry.
BIOINSTRUMENTATION · BIOSIGNALS · BIOMECHANICS · IMAGING
Your virtual biomedical engineering laboratory.
PEAK DEFIBRILLATION DISCHARGE CURRENT I_PEAK—
PHYSIOLOGICAL & TEST CELL TELEMETRY
Ready to sample with Impedance R_th = 60.0 Ω.
Adjust Impedance R_th, then execute biomedical trial.
Biomedical engineering telemetry and physiological states are evaluated rigorously using 64-bit IEEE 754 precision. Residuals reflect ordinary least-squares regression across successive observations. Continuous data structures support high-fidelity biological and physiological modeling.
Biomedical assumptions and boundary condition limits
The linear current-impedance model applies across normal clinical human adult impedances (30 to 105 Ω); extreme impedances exhibit non-linear RLC damping transitions. Evaluated on a clinical external defibrillator set to 200 Joules delivered energy (internal storage capacitor C = 32 μF charged to V_0 = 3600 V, internal choke inductor L = 50 mH, internal coil resistance r_i = 12 Ω). Discharging into precision non-inductive load resistors representing patient transthoracic impedance R_th from 30.0 to 105.0 Ω. Linear peak current slope k_r = 0.3500 A/Ω with intercept I_0 = 68.0000 A.
Biomedical apparatus & physiological sensors.
High-Voltage Defibrillator Analyzer & Load Bank (Fluke Impulse 7000DP)
Provides certified non-inductive load resistances (30 to 105 Ω) and measures pulse energy, current, and voltage.
Calibrated 1000:1 High-Voltage Passive Probe (Tektronix P6015A)
Scales kilovolt discharge waveforms safely for digital oscilloscope acquisition (75 MHz bandwidth).
Fast Current Transformer / Rogowski Coil (100 A full scale)
Measures peak discharge current I_peak with sub-microsecond rise-time response.
Self-Adhesive Adult Defibrillation Electrode Pads (80 cm²)
Standard hydrogel-coated clinical electrode pads designed for anterolateral chest placement.
High-Speed Isolated Digital Storage Oscilloscope (200 MS/s)
Digitizes high-voltage damped sinusoidal current and voltage discharge waveforms.
FOLLOW THE METHOD
A reason behind every step.
Evaluate the peak discharge current I_peak of a clinical external defibrillator across human transthoracic impedances (TTI) using an RLC damped sinusoidal circuit. Standardized parameter settings: 30.0, 45.0, 60.0, 75.0, 90.0, 105.0 Ω.
01
High-Voltage Safety and Analyzer Setup
Connect defibrillator paddle cables to high-voltage analyzer load bank; verify equipment grounding and post high-voltage safety warning signage.
02
Defibrillator Energy Selection
Power on defibrillator and select standard adult energy level: 200 Joules delivered into 50 Ω.
03
Transthoracic Load Resistance Initialization
Configure analyzer precision non-inductive load resistance to R_th = 30.0 Ω and arm the measurement digitizer.
04
Capacitor Charging and Discharge Execution
Charge the internal capacitor bank to full 200 J potential; clear the testing perimeter and depress the shock discharge button.
05
Peak Discharge Current Capture
Capture the damped sinusoidal current waveform on the analyzer oscilloscope and record peak current I_peak (A) and total delivered energy (J).
06
Transthoracic Impedance Progression
Increment load resistance through 45.0, 60.0, 75.0, 90.0, and 105.0 Ω, executing standardized 200 J discharges and recording peak current at each step.
07
Current-Impedance Sensitivity Regression
Plot peak discharge current I_peak versus transthoracic impedance R_th and calculate sensitivity slope k_r and zero-impedance current I_0 via linear regression.
YOUR NOTEBOOK · 0 OBSERVATIONS
Turn measurements into biomedical engineering insight.
Points are your recorded observations. The solid regression line validates Defibrillator Transthoracic Discharge mathematical scaling.
LINEAR REGRESSION FIT · y = mx + b
I_peak = -k_r · R_th + I_0 = -0.3500 · R_th + 68.0000
| # | Patient Transthoracic Impedance R_th (Ω) | Peak Defibrillation Discharge Current I_peak (A) | Transthoracic impedance R_th (Ω) | Peak discharge current I_peak (A) | Remove |
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