Passive euthanasia

Passive euthanasia is the name sometimes given to withholding or withdrawing life-sustaining treatment, rather than actively administering drugs to end a life. The distinction became a central feature of American law and medical ethics: a patient or authorized surrogate could refuse treatment even when death followed, while intentionally causing death through an active intervention remained prohibited. In the book’s account, that distinction supplies essential context for the investigation of deaths at Memorial Medical Center, where evidence of drugs in patients’ bodies raised questions that could not be answered simply by invoking the right to stop treatment.

Definition and Ethical Distinctions

Bioethicist Arthur Caplan set out two separate axes for thinking about aid in dying. One asked whether the patient had requested death, distinguishing voluntary from involuntary cases; the other asked whether aid took an active form, such as administering drugs, or a passive one, such as withdrawing or not initiating life-sustaining treatment. The resulting categories—voluntary, involuntary, active, and passive euthanasia—describe different combinations of consent and intervention. They do not, by themselves, determine whether a particular act is ethically justified or legally permissible.

That distinction matters because withdrawal of treatment can allow an underlying illness to take its course, whereas an active intervention may itself bring about death. In the United States, the legal and ethical acceptance of refusing treatment developed without a corresponding acceptance of active euthanasia. By the time of Hurricane Katrina, intentionally ending a life to relieve suffering remained illegal, and the American Medical Association’s Code of Medical Ethics prohibited active euthanasia. The book presents the American debate as focused instead on whether patients could refuse treatment and on who could make that decision when patients could not speak for themselves.

Court Cases and the Right to Refuse Treatment

The Karen Ann Quinlan Case helped establish the legal basis for refusing life support. In 1975, Quinlan’s parents asked doctors in New Jersey to remove her from a ventilator after she suffered brain damage and was not expected to recover. They recalled that she had said she would not want to be kept alive in that way. Her doctors refused, but the New Jersey Supreme Court ruled that the respirator could be removed under her constitutional rights to privacy and liberty, exercised by her father. Quinlan then breathed without the ventilator and lived for nine more years. The outcome made the case a landmark: discontinuing a treatment did not necessarily mean that the patient would die immediately, nor did the decision itself amount to an act that caused death.

Later rulings extended the right to refuse treatment through principles including self-determination and informed consent. The book also notes that, for some Jehovah’s Witnesses, the right to refuse treatment had been recognized on grounds of religious freedom. Together, these precedents established that a person’s right to decline medical care could persist even when the decision carried grave consequences.

The Clarence Herbert Case tested how that principle applied when doctors stopped treatment. Physicians who withdrew life support and intravenous fluids from Herbert were charged with murder; they argued that the treatment conflicted with his wishes and his family’s request not to keep him on machines. A California appeals court dismissed the case, reasoning that continued treatment offered virtually no prospect of meaningful improvement and that its burdens outweighed its benefits. Following an ethics commission’s reasoning, the court treated stopping a legitimately refused treatment as indistinguishable from not starting it, and not equivalent to active euthanasia. It also held that an ordinary intravenous line could be stopped on the same basis as a ventilator. The ruling bound only part of California, but its underlying concepts had gained wide acceptance by the time of Katrina.

The Nancy Cruzan Case further clarified the role of a patient’s wishes. In 1990, the United States Supreme Court ruled, by a five-to-four vote, that liberty included the right to refuse life-sustaining medical care, even if death followed. At the same time, the Court allowed states to require clear and convincing evidence that the patient wanted treatment stopped, rather than relying only on a judgment about the patient’s best interests. A Missouri judge subsequently permitted Cruzan’s nutrition to be discontinued after acquaintances testified about her wishes. The case helped spur wider adoption of living wills and advance directives, which record treatment preferences before a crisis makes direct communication impossible.

The Memorial Investigation and the Limits of the Distinction

These legal precedents formed a backdrop to the inquiry into deaths at Memorial Medical Center, but they did not answer its factual questions. Frank Minyard’s statutory task was to decide whether deaths were technically homicides—whether they had been caused by human intervention. He sought an additional ethical perspective from Caplan, who reviewed records for nine LifeCare Hospitals patients on the seventh floor. Caplan concluded that all nine had been euthanized and that the way the drugs were given did not conform to prevailing United States standards for palliative care, which did not permit a patient’s death to be the goal of treatment. His assessment made the active-versus-passive distinction directly relevant to the allegations: stopping unwanted treatment and giving drugs with the aim of ending life were not interchangeable acts.

The physical evidence, however, required interpretation. Bodies from Memorial had remained in the heat for more than a week before recovery, making blood tests unavailable and raising concern that postmortem drug concentrations might have changed. In the initial results from eighteen Memorial bodies, nine tested positive for morphine and about five or six for midazolam. In a later review of forty-one bodies from Memorial and LifeCare Hospitals, twenty-three tested positive for morphine, midazolam, or both. Robert Middleberg cautioned that postmortem tissue results were not as straightforward as blood tests from living patients and advised evaluating the numbers alongside each patient’s clinical history.

Experts therefore had to ask whether the drugs represented a single large dose or accumulated through repeated doses; whether illness such as kidney or liver failure affected how patients processed them; and whether the drugs’ capacity to suppress breathing corresponded to the available records of when deaths occurred. For the ninety-year-old patient identified as Miss Alice Hutzler, morphine and midazolam were found in liver, brain, and muscle tissue even though neither appeared as prescribed in her chart. The record described her as resting comfortably the previous afternoon and included no documented complaints of pain or distress that indicated a need for either drug. Such details made the distinction between ordinary comfort care and treatment directed toward death a case-specific question, not an abstract label.

The experts also disagreed about how confidently the toxicology could establish cause of death. Steven Karch argued that drug levels in bodies exposed to prolonged heat could not reliably determine the medical cause of death and recommended leaving causes undetermined. Michael Baden countered that, regardless of whether the dose could be reconstructed, morphine and Versed were present shortly before death and no competing cause of death had been identified. Cyril Wecht reported very high levels in some cases and tested whether heat and humidity substantially altered levels in samples from overdose deaths; his small, unpublished study found no significant difference from refrigerated samples, though it was not definitive. The controversy thus turned on separate questions: whether drugs were present, what they did, and whether their use established an intent to cause death.

Significance

Passive euthanasia names a legally and ethically consequential boundary, not a simple synonym for every decision followed by death. The cases discussed in the book support refusing or withdrawing treatment under conditions tied to patient choice, surrogate authority, and evidence of the patient’s wishes. They do not erase the difference between permitting death after treatment is refused and actively causing death through medication. At Memorial, that difference shaped the ethical debate, while postmortem uncertainty and conflicting expert interpretations complicated the separate forensic task of determining what happened to individual patients.