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Confidentiality is one of the core ethical pillars of medical practice. It refers to the obligation of healthcare professionals to protect a patient’s personal, medical, and sensitive information from unauthorized disclosure.

🔐 What is Medical Confidentiality?

Medical confidentiality means that any information shared by a patient—including history, diagnosis, test results, and even the fact that they visited a facility—must not be disclosed without their consent.

Informed Consent — Quick Summary

A patient’s voluntary agreement to a medical procedure after receiving full information

Rooted in Medical Ethics, especially autonomy

🔑 Core Elements

Disclosure – risks, benefits, alternatives

Understanding – patient comprehends information

Capacity – mentally able to decide (e.g., not impaired by Delirium)

Voluntariness – no coercion

Consent – clear agreement

Medical Ethics — Ultra-Quick Summary

Autonomy → Patient makes their own decisions (requires capacity + informed consent)

Beneficence → Act in the patient’s best interest

Non-maleficence → Do no harm

Justice → Be fair and equitable

🔑 Key Concepts

Confidentiality → Keep patient info private (break only if risk to others/legal duty)

Informed Consent → Explain risks, benefits, alternatives, and allow refusal

Capacity → Patient must understand, reason, and communicate

⚠️ High-Yield Rules

Capacity present → Respect patient choice (even if wrong)

No capacity → Use surrogate decision-maker

Emergency → Treat immediately

🎯 One-Line Memory Trick:

👉 “A BeNeficial Doctor is Just & Confidential”

(Autonomy, Beneficence, Non-maleficence, Justice + key concepts)

Pharmacokinetics (PK) is the branch of pharmacology that describes what the body does to a drug over time. It studies how a drug enters the body, moves through it, is chemically changed, and finally leaves the body.

Drug elimination is the process by which a drug is removed from the body, reducing its concentration in plasma and tissues. It is a key component of pharmacokinetics and determines drug duration of action and dosing intervals.

Drug elimination occurs through two main processes:

Metabolism (Biotransformation) – chemical modification of the drug

Excretion – physical removal of the drug or its metabolites from the body

Drug dosing refers to determining the correct amount of a medication to give a patient and how often it should be administered to achieve the desired therapeutic effect without causing toxicity. It is a core principle in Pharmacology and clinical medicine.

Enzymes are biological catalysts that control most chemical reactions in the body. In pharmacology, they are extremely important because they affect how drugs are metabolized, activated, inactivated, and eliminated. Understanding enzymes helps doctors determine drug dosing, drug interactions, and therapeutic effectiveness. 🧬💊

Enzymes are biological catalysts that control most chemical reactions in the body. In pharmacology, they are extremely important because they affect how drugs are metabolized, activated, inactivated, and eliminated. Understanding enzymes helps doctors determine drug dosing, drug interactions, and therapeutic effectiveness