A defibrillator device is provided. The defibrillator device includes a first electrode and a second electrode, a readout module, a USB interface, a voltage converter and a stimulation module. When the first and second electrodes contact the chest of a patient, the readout module obtains a physiologic rhythm signal of the patient. When the USB interface is coupled to a portable electronic device, the voltage converter generates a second voltage according to a first voltage from the portable electronic device, wherein the second voltage is larger than the first voltage. When the physiologic rhythm signal indicates that cardiac arrhythmia is present in the patient, the stimulation module provides an electric shock energy to the chest of the patient via the first and the second electrodes according to the second voltage.一種去顫電擊裝置。上述去顫電擊裝置包括一第一電極與一第二電極、一讀取模組、一通用序列匯流排介面、一電壓轉換器及一刺激模組。當第一與第二電極接觸一病患之胸部時,上述讀取模組得到上述病患之一生理信號。當上述通用序列匯流排介面耦接於一可攜式電子裝置時,上述電壓轉換器根據來自上述可攜式電子裝置之一第一電壓而產生一第二電壓,其中上述第二電壓係大於上述第一電壓。當上述生理信號係指示上述病患為心律不整時,上述刺激模組根據上述第二電壓而經由上述第一與第二電極來提供一電擊能量至上述病患的胸部。100‧‧‧自動體外去顫電擊系統110‧‧‧去顫電擊裝置120‧‧‧可攜式電子裝置130A、130B‧‧‧電極140、150‧‧‧通用序列匯流排介面
