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Medical ethics

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Medical Ethics - A Comprehensive Overview

1. Definition

Medical ethics is the application of the ethical discipline to medicine. Physicians are accorded special privileges and respect for their specialized knowledge; in return, the healing professions have produced formalized written codes governing the behaviors and conduct expected of them. These codes focus substantially on treatment obligations to patients and on professional behavior.

Kaplan & Sadock's Comprehensive Textbook of Psychiatry

2. Historical Foundations

The Hippocratic Oath

The origins of medical ethics are rooted in the writings of Hippocrates ("the father of medicine"). The Hippocratic Oath is the cornerstone of ancient Greek medical ethics and postulates that the primary goal of medicine is to protect the patient's interests. It establishes the moral framework governing the physician-patient relationship and introduces:

Beneficence - act in the patient's benefit
Nonmaleficence - primum non nocere ("first, do no harm")
Confidentiality - keep patient information secret
Accountability to the profession

Key excerpts of the original oath:

"I will follow that system of regimen which, according to my ability and judgment, I consider for the benefit of my patients, and abstain from whatever is deleterious and mischievous..." "Whatever, in connection with my professional practice... I see or hear... I will not divulge, as reckoning that all such should be kept secret."

Criticism and Evolution

In the 20th century, prominent ethicists such as Robert Veatch challenged the Hippocratic tradition: the oath was criticized for being paternalistic (the physician decides what is best), for not addressing patient autonomy, and for ignoring justice in the allocation of medical resources.

Birth of Bioethics

In 1970, Van Rensselaer Potter coined the term "bioethics" to describe "the study of the moral relationship between humans and their social and physical world."
Nazi eugenic experiments and the Tuskegee syphilis study (made public in the early 1970s) strengthened the focus on patient autonomy and informed consent.
In 1979, Beauchamp and Childress published their "Four Principles" framework, now the cornerstone of modern medical ethics.
Campbell Walsh Wein Urology

3. The Four Principles of Medical Ethics (Beauchamp & Childress, 1979)

These four principles are considered equal in weight and are prima facie binding unless they conflict with each other.

1. Autonomy

Respect for the "deliberated self-rule" of individuals. Physicians must respect that patients can make their own choices, even if those choices don't align with what the physician considers maximally beneficial. It is grounded in Kant's "categorical imperative" - people must be treated as ends in themselves, not as means to an end.

Autonomy underpins:

Informed consent
Confidentiality
Avoidance of deceit

2. Beneficence

The obligation to optimize benefit to the patient, filtered through the patient's own values and preferences (not just the physician's). It does not mean imposing what the doctor considers best.

3. Nonmaleficence

Grounded in primum non nocere. The obligation to avoid causing harm, including the avoidance of treatments with risks disproportionate to their benefits.

4. Justice

The obligation to seek fairness in the distribution of resources, benefits, and risks across patients. At the individual level: minimize self-interest and respect patient self-determination. At the societal level: fairness may mean equal access to care, provision to those who need it most, or minimization of societal costs.

Note: Equality and justice are not equivalent - "people may be treated unjustly even if they are treated equally."

4. The Four-Box (Jonsen) Technique in Clinical Practice

To apply the four principles to real clinical cases, Jonsen et al. proposed a systematic Four-Box Method:

Box	Content	Governing Principle
Medical Indications	Goals of treatment, prognosis, clinical options	Beneficence, Nonmaleficence
Patient Preferences	Informed consent, patient values, decision-making capacity	Autonomy
Quality of Life	Patient's subjective assessment, goals, comfort	Beneficence, Nonmaleficence, Autonomy
Contextual Features	Family, religion, law, resources, institutional policies	Justice

5. Medical Negligence and Malpractice

Medical malpractice is a tort (civil wrong) resulting from a physician's negligence.

The 4 Elements (the "4 Ds"):

To prove malpractice, the plaintiff must establish all four of the following by a preponderance of evidence:

Duty - A doctor-patient relationship existed, creating a duty of care
Deviation (Breach of Duty) - The physician's care fell below the applicable standard of care
Direct Causation - The deviation directly caused the harm
Damage - The patient suffered actual, compensable harm

"Not every adverse outcome is the result of negligence. Psychiatrists cannot guarantee correct diagnoses and treatments. When the physician provides due care, they may make mistakes without necessarily incurring liability."

Standard of Care

The standard is what "a reasonable and prudent member of the medical profession would undertake under the same or similar circumstances." It is established via:

Expert witness testimony
Clinical Practice Guidelines (CPGs)
The res ipsa loquitur doctrine ("the thing speaks for itself") - applies when the wrong is obvious to a layperson (e.g., retained surgical sponge, wrong-limb amputation)

Intentional Torts (beyond negligence)

Patients can also sue for intentional torts: assault, battery, false imprisonment, defamation, fraud, invasion of privacy, and intentional infliction of emotional distress.

Kaplan and Sadock's Synopsis of Psychiatry; Clinical Gastrointestinal Endoscopy

6. Informed Consent

A core expression of patient autonomy. Key elements include:

Disclosure of diagnosis, risks, and benefits of proposed treatment
Disclosure of alternatives
Verification of the patient's understanding and capacity to decide
A voluntary decision free of coercion

Failure to obtain informed consent can itself constitute breach of duty in a malpractice claim, even if the treatment was technically competent.

7. Confidentiality

One of the oldest ethical obligations, enshrined in the Hippocratic Oath. Physicians must not divulge information disclosed in the course of the professional relationship. Exceptions include:

Legally mandated reporting (communicable diseases, gunshot wounds, child abuse)
Imminent danger to a third party (Tarasoff duty to warn)

8. Social Dimension of Medical Ethics

Modern medical ethics has moved beyond the individual physician-patient relationship to include:

Societal responsibility - "Health for all," equitable resource allocation
Research ethics - Protecting vulnerable populations from exploitation; principles of beneficence, non-maleficence, and justice apply to research subjects
Policy-making - Governments must set resource priorities, often with "tragic choices" when demand exceeds supply
Consumer protection - In India, the Consumer Protection Act (COPRA) 1986 gave patients the right to seek compensation through consumer courts (District: up to Rs. 20 lacs; State: up to Rs. 1 crore; National: above Rs. 1 crore)

Rights of the Patient

Right to information on diagnosis and treatment
Right to know who is involved in their care
Right to safety from errors and malpractice
Right to confidentiality and privacy
Right to prompt emergency treatment
Right to copies of medical records
Right to informed consent
Right to refuse participation in research
Right to know hospital rules and facilities
Right to a second opinion
Right to complain and receive compensation

Park's Textbook of Preventive and Social Medicine

9. Key Ethical Codes and Organizations

Organization	Code / Year
American Medical Association (AMA)	Code of Ethics, 1847
American Psychiatric Association (APA)	First code of ethics, 1973
American Academy of Child & Adolescent Psychiatry (AACAP)	First code 1980; substantially revised 2009, 2014
Medical Council of India	Ethical jurisdiction; can cancel a doctor's registration

Ethical thought is universalizable - principles apply across cultures and nations - but application must always account for situational context and culture.

Summary Table

Principle	Core Idea	Latin/Origin
Autonomy	Patient's right to decide	Kantian ethics
Beneficence	Do good for the patient	Hippocratic tradition
Nonmaleficence	Do no harm	Primum non nocere
Justice	Fairness in resource distribution	Social ethics

Sources: Campbell Walsh Wein Urology; Kaplan & Sadock's Comprehensive Textbook of Psychiatry; Kaplan and Sadock's Synopsis of Psychiatry; Park's Textbook of Preventive and Social Medicine; Clinical Gastrointestinal Endoscopy

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