A defibrillating system comprising: a defibrillator that is a computing device comprising a processor coupled to a memory, the processor and the memory configured to: receive i) information indicative of treatment of a victim by a first caregiver using the defibrillator and ii) information indicative of a health status of the victim, wherein the information indicative of the treatment comprises a representation of a portion of an electrocardiogram signal associated with an identified treatment event; determine that treatment of the victim by the first caregiver using the defibrillator is completed, wherein determining that treatment of the victim by the first caregiver using the defibrillator is completed comprises either a) receiving an input from the first caregiver or b) receiving a signal from a second computing device; and thereafter transmit the received information to the second computing device, wherein the transmitted information includes the representation of the portion of the electrocardiogram signal associated with the identified treatment event; wherein the defibrillator further comprises an analysis module configured to determine whether a cardiac rhythm is shockable and identify the portion of the electrocardiogram signal associated with the identified treatment event. a defibrillator that is a computing device comprising a processor coupled to a memory, the processor and the memory configured to: receive i) information indicative of treatment of a victim by a first caregiver using the defibrillator and ii) information indicative of a health status of the victim, wherein the information indicative of the treatment comprises a representation of a portion of an electrocardiogram signal associated with an identified treatment event; determine that treatment of the victim by the first caregiver using the defibrillator is completed, wherein determining that treatment of the victim by the first caregiver using the defibrillator is completed comprises either a) receiving an input from the first caregiver or b) receiving a signal from a second computing device; and thereafter transmit the received information to the second computing device, wherein the transmitted information includes the representation of the portion of the electrocardiogram signal associated with the identified treatment event; receive i) information indicative of treatment of a victim by a first caregiver using the defibrillator and ii) information indicative of a health status of the victim, wherein the information indicative of the treatment comprises a representation of a portion of an electrocardiogram signal associated with an identified treatment event; i) information indicative of treatment of a victim by a first caregiver using the defibrillator and ii) information indicative of a health status of the victim, determine that treatment of the victim by the first caregiver using the defibrillator is completed, wherein determining that treatment of the victim by the first caregiver using the defibrillator is completed comprises either a) receiving an input from the first caregiver or b) receiving a signal from a second computing device; and thereafter transmit the received information to the second computing device, wherein the transmitted information includes the representation of the portion of the electrocardiogram signal associated with the identified treatment event; wherein the defibrillator further comprises an analysis module configured to determine whether a cardiac rhythm is shockable and identify the portion of the electrocardiogram signal associated with the identified treatment event.