This document outlines topics related to general principles of pharmacology including: drugs that affect the nervous, respiratory, and cardiovascular systems; electrolytes; drugs used to treat myocardial infarction and allergic reactions; and drugs that affect the endocrine system. It provides information on specific medications for each topic, including their classifications, indications, and mechanisms of action.
This presentation contains drugs which blocks the adrenergic system e.g receptor blockers like alpha and beta receptor antagonists, adrenergic neuron blocking agents in details.various animated pictures are also included to make the presentation interesting as well as i have used various diagrams and tables to have better understanding of the topic. Thank you.
Serotonin is major neurotransmitter and affects the physiology of our body. Serotonin antagonists are used in various pathological conditions of body. This is a small presentation showing feature of serotonin.
This presentation contains drugs which blocks the adrenergic system e.g receptor blockers like alpha and beta receptor antagonists, adrenergic neuron blocking agents in details.various animated pictures are also included to make the presentation interesting as well as i have used various diagrams and tables to have better understanding of the topic. Thank you.
Serotonin is major neurotransmitter and affects the physiology of our body. Serotonin antagonists are used in various pathological conditions of body. This is a small presentation showing feature of serotonin.
Introduction to CNS Pharmacology, with Anatomy and physiology of CNS, mode of neuro-transmission via action potential and role of major neurotransmitter in the brain with drug design pharmacology of CNS drugs.
Introduction to the endocrine system
Growth hormone: Mechanism of Action, secretion, regulation.
Prolactin
Sex hormones
Oral contraceptives
Corticosteroids
This Presentation tries to make understand the System which plays a role in increasing Blood Pressure-Renin Angiotensin System & How the drugs and inhibiting Enzymes prevent this BP rise...
Individualized Webcam facilitated and e-Classroom USMLE Step 1 Tutorials with Dr. Cray. 1 BMS Unit is 4 hr. General Principles and some Organ System require multiple units to complete in preparation for the USMLE Step 1 A HIGH YIELD FOCUS IN Biochemistry / Cell Biology, Microbiology / Immunology and the 4 P’s-Phiso, Pathophys, Path and Pharm. Webcam Facilitated USMLE Step 2 Clinical Knowledge and Clinical Skills diadactic tutorials /1 Unit is 4 hours, individualized one-on-one and group sessions, Including all Internal Medicine sub-sub-specitialities. For questions or more information.. drcray@imhotepvirtualmedsch.com
Introduction to CNS Pharmacology, with Anatomy and physiology of CNS, mode of neuro-transmission via action potential and role of major neurotransmitter in the brain with drug design pharmacology of CNS drugs.
Introduction to the endocrine system
Growth hormone: Mechanism of Action, secretion, regulation.
Prolactin
Sex hormones
Oral contraceptives
Corticosteroids
This Presentation tries to make understand the System which plays a role in increasing Blood Pressure-Renin Angiotensin System & How the drugs and inhibiting Enzymes prevent this BP rise...
Individualized Webcam facilitated and e-Classroom USMLE Step 1 Tutorials with Dr. Cray. 1 BMS Unit is 4 hr. General Principles and some Organ System require multiple units to complete in preparation for the USMLE Step 1 A HIGH YIELD FOCUS IN Biochemistry / Cell Biology, Microbiology / Immunology and the 4 P’s-Phiso, Pathophys, Path and Pharm. Webcam Facilitated USMLE Step 2 Clinical Knowledge and Clinical Skills diadactic tutorials /1 Unit is 4 hours, individualized one-on-one and group sessions, Including all Internal Medicine sub-sub-specitialities. For questions or more information.. drcray@imhotepvirtualmedsch.com
Precise pharmacology directly delivers content to the point and it's simplified version of pharmacology notes relevant to medical students . Classification of drug,mode of action of a drug ,clinical indication(use) ,drug formulation ,dosages as per indication, side effects and contraindicationsas it's clearly presented.
Disease induced by/ due to the activity of a physician or therapy. For example, an iatrogenic illness is an illness that is caused by a medication or physician.
What are iatrogenic effects?
Medical error and negligence. Iatrogenic conditions do not necessarily result from medical errors, such as mistakes made in surgery, or the prescription or dispensing of the wrong therapy, such as a drug. In fact, intrinsic and sometimes adverse effects of a medical treatment are iatrogenic.
What is social Iatrogenesis?
Medicalisation is associated with a social process that Illich termed 'iatrogenesis'. This concept refers to the detrimental consequences of medical interventions (clinical iatrogenesis), such as adverse drug reactions and hospital acquired infections.
Sympatholytics or Adrenergic AntagonistsAhmad Naeem
Sympatholytics or Adrenergic Antagonists (Introduction, Classification, Alpha Blockers, Beta Blockers Generations, Respirine)
These are drugs which antagonize the receptor action of adrenaline and related drugs.
Mechanism of Action
The adrenergic antagonists (also called adrenergic
blockers or sympatholytics) bind to adrenoceptors but
don’t trigger the usual receptor-mediated intracellular effects.
These drugs act by either reversibly or irreversibly
attaching to the adrenoceptors, thus preventing
activation by endogenous catecholamine's.
Numerous adrenergic antagonists have important
roles in clinical medicine, primarily to treat diseases associated with the cardiovascular system.
α-Adrenergic Blocking Agents
These drugs inhibit adrenergic responses mediated through the α adrenergic receptors without affecting those mediated through β receptors.
Mechanism of action
Drugs that block α adrenoceptors profoundly affect blood pressure. Blockade of these receptors reduces the sympathetic tone of the blood vessels, resulting in decreased peripheral vascular resistance. This induces a reflex tachycardia resulting from the lowered blood pressure.
Non-Selective α adrenergic antagonists
They cause vasodilation by blocking both alpha-1 and alpha-2 receptors. The blockage of alpha-2 receptors will increase the NE release, which will reduce the force of the vasodilation induced by blockade of the alpha-1 receptors. These are useful for patients with pheochromocytoma.
Selective α1 adrenergic antagonists
They cause vasodilation by preventing NE from activating the alpha-1 receptor, resulting in a lowering of the blood pressure, allowing alpha-1 blockers to be used for hypertension. Alpha-1 blockers also cause relaxation of smooth muscle in the prostate, can be useful for the management of benign prostatic hyperplasia (BPH).
Selective α2 adrenergic antagonists
They inhibit negative feedback of NE, stimulating the sympathetic system.
β-Adrenergic Blocking Agents
Mechanism of Action:
These agents blocks the action of substances, such as adrenaline on nerve cells and causes blood vessels to relax and dilate. This allows blood to flow more easily and lowers blood pressure and the heart rate.
Therapeutic Uses:
Beta blockers are used to prevent, treat or improve symptoms in people who have:
Arrhythmia
Heart failure
Chest pain
Heart attacks
Migraine
Certain types of tremors
Adverse Effects:
Asthma
Heart failure
Hypoglycemia
Bradycardia
2. Part 2 Topics
Drugs used to affect the
Nervous System
Respiratory System
Cardiovascular System
Electrolytes
Drugs used to treat MI
Drugs used in Allergic Reations
Drugs used to affect the Endocrine System
Miscelaneous Drugs
19. Classifications of Cardiovascular
Drugs (1 of 2)
Antidysrhythmics:
Used to treat and prevent abnormal
cardiac rhythms.
Antihypertensives:
Drugs used to treat hypertension.
20. Classifications of Cardiovascular
Drugs (2 of 2)
Hemostatic Agents:
Drugs used to stop bleeding.
Antihyperlipidemic Agents:
Drugs used to treat high cholesterol.
29. Hemostatic Agents
Antiplatelets:
Drugs that decrease the formation of
platelet plugs.
Anticoagulants:
Drugs that disrupt the clotting cascade.
Thrombolytics:
Drugs that act directly on thrombi to break
them down.
47. Drugs Affecting the Pancreas
Diabetes mellitus is the most important
disease involving the pancreas.
Insulin—a substance that decreases
blood glucose level.
Glucagon—a substance that increases
blood glucose level.
50. Hyperglycemic Agents
D50W is a sugar solution given
intravenously for acute
hypoglycemia.
Glucagon is indicated for
emergency treatment when an
IV is unobtainable.
Epinephrine is also called adrenaline therefore adrenergic receptor An Agonists is a drug that stimulates the effects of receptors A Beta Blocker such as propranolol is an antagonist Other terms to be aware of; sympathomimetic, sympatholytic (blocks)