By D. Arokkh. Texas A&M University, Corpus Christi.
Research has shown that between 10–20% of psychogenic seizure patients also have epileptic seizures cheap apcalis sx 20 mg on-line erectile dysfunction doctors in louisville ky. However cheap apcalis sx 20 mg with visa erectile dysfunction drugs that cause, identification of psychogenic seizures can create 121 improved outlook in patients, and psychotherapeutic interventions (including hypnosis ) have been shown to be effective in the reduction or elimination of seizures in such 122 patients. There are countless certification programs available in the USA, Britain and worldwide. Certification can be obtained from weekend courses, correspondence courses and even through $100. The most important factor in the clinical application of hypnosis is that the practitioner be qualified to treat the presented problem without the use of hypnosis. It is simply one of many tools that may be used by a qualified psychotherapist, dentist, nurse, or physician, when appropriate. Although it is not difficult to learn how to hypnotize someone, using hypnosis appropriately and effectively is a developed skill. In the USA, the Society for Clinical and Experimental Hypnosis (SCEH) and the American Society for Clinical Hypnosis (ASCH) offer specialized training in hypnosis to professionals with appropriate credentials, and both societies offer referral services for those seeking qualified practitioners. The current contact information for these societies, along with the British Society of Experimental and Clinical Hypnosis (BSECH), the British Society of Medical and Dental Hypnosis (BSMDH) and the International Society of Hypnosis (ISH), can be found in the Appendix. In their investigation of Mesmer, the Royal Commission set the bar appropriately high. If we are to argue that hypnosis works, then we must demonstrate this with replicable evidence that can be explained in relation to current understandings of medical and cognitive science. There is now strong empirical support, including brain activation studies, for the use of hypnosis in pain management. The integration of findings from research and clinical practice provides a Complementary therapies in neurology 216 rich foundation for future investigations, both in the examination of the phenomenon itself and in the application of hypnosis as a research and diagnostic tool. APPENDIX Contact information for professional societies in hypnosis Society for Clinical and Experimental Hypnosis 221 Rivermoor Street Boston, MA 02132 USA Tel: (617) 469–1981 Fax: (617) 469–1889 E-mail: sceh@mspp. Bloomingdale Road Bloomingdale, IL 60108–1017 USA Tel: (630) 980–4740 Fax: (630)351–8490 E-mail: info@asch. Beliefs and opinions about hypnosis held by the general public: a systematic evaluation. Some preconceptions about hypnosis among preclinical medical students: a brief communication. Report of the commissioners charged by the King with the examination of animal magnetism. Neurypnology; or the Rationale of Nervous Sleep Considered in Relation with Animal Magnetism. A comparison of active-alert hypnotic induction with traditional relaxation induction. Hypnosis and Suggestion in Psychotherapy [CA Herter, Trans; original published in 1888]. Effects of verbal and experiential expectancy manipulations on hypnotic susceptibility. The effects of role preparation for psychotherapy on immigrant clients seeking mental health services in Hawaii. Frontal-motor parallelism and motor-occipital in-phase activity in hypnosis, drowsiness and sleep. Differentiation of hypnosis and relaxation by analysis of narrow band theta and alpha frequencies. Hypnosis modulates activity in brain structures involved in the regulation of consciousness. EEG correlates of hypnotic susceptibility and hypnotic trance: spectral analysis and coherence. Where the imaginal appears real: a positron emission tomography study of auditory hallucinations.
Family History: Age apcalis sx 20mg visa male impotence 30s, status (alive buy apcalis sx 20 mg impotence in men, dead) of blood relatives and medical problems for any blood relatives (inquiry about cancer, especially breast, colon, and prostate; TB, asthma; MI; HTN; thyroid disease; kidney disease; peptic ulcer disease; diabetes mellitus; bleeding disorders; glaucoma, and macular degeneration). Psychosocial (Social) History: Stressors (financial, significant relationships, work or school, health) and support (family, friends, significant other, clergy); life-style risk factors, (alcohol, drugs, tobacco, and caffeine use; diet; and exposure to environmental agents; and sexual practices); patient profile (may include marital status and children; present and past employment; financial support and insurance; education; religion; hobbies; beliefs; living conditions); for veterans, include military service history. Weight loss, weight gain, fatigue, weakness, appetite, fever, chills, night sweats Skin. Vision, changes in the visual field, glasses, last prescription change, photophobia, blurring, diplopia, spots or floaters, inflammation, discharge, dry eyes, excessive tear- ing, history of cataracts or glaucoma Ears. Hearing changes, tinnitus, pain, discharge, vertigo, history of ear infections Nose. Sinus problems, epistaxis, obstruction, polyps, changes in or loss of sense of smell Throat. Bleeding gums; dental history (last checkup, etc); ulcerations or other lesions on tongue, gums, buccal mucosa Respiratory. Chest pain; dyspnea; cough; amount and color of sputum; hemoptysis; history of pneumonia, influenza, pneumococcal vaccinations, or positive PPD Cardiovascular. Chest pain, orthopnea, dyspnea on exertion, paroxysmal nocturnal dyspnea, murmurs, claudication, peripheral edema, palpitations Gastrointestinal. Dysphagia, heartburn, nausea, vomiting, hematemesis, indigestion, ab- dominal pain, diarrhea, constipation, melena (hematochezia), hemorrhoids, change in stool shape and color, jaundice, fatty food intolerance Gynecologic. Gravida/para/abortions; age at menarche; last menstrual period (frequency, duration, flow); dysmenorrhea; spotting; menopause; contraception; sexual history, in- cluding history of venereal disease, frequency of intercourse, number of partners, sexual orientation and satisfaction, and dyspareunia Genitourinary. Frequency, urgency, hesitancy; dysuria; hematuria; polyuria; nocturia; incon- tinence; venereal disease; discharge; sterility; impotence; polyuria; polydipsia; change in urinary stream; and sexual history, including frequency of intercourse, number of partners, sexual orientation and satisfaction, and history of venereal disease Endocrine. Polyuria, polydipsia, polyphagia, temperature intolerance, glycosuria, hormone therapy, changes in hair or skin texture Musculoskeletal. Arthralgias, arthritis, trauma, joint swelling, redness, tenderness, limita- tions in ROM, back pain, musculoskeletal trauma, gout 1 History and Physical Examination 11 1 Peripheral Vascular. Varicose veins, intermittent claudication, history of thrombophlebitis Hematology. Syncope; seizures; weakness; coordination problems; alterations in sensa- tions, memory, mood, sleep pattern; emotional disturbances; drug and alcohol problems Physical Examination General: Mood, stage of development, race, and sex. State if patient is in any distress or is assuming an unusual position, such as, sitting up leaning forward (position often seen in patients with acute exacerbation of COPD or pericarditis) Vital Signs: Temperature (note if oral, rectal, axillary), pulse, respirations, blood pressure (may include right arm, left arm, lying, sitting, standing), height, weight. Blood pres- sure and heart rate supine and after standing 1 min should always be included if volume depletion is suspected, such as in GI bleeding, diarrhea, dizziness, or syncope. Skin: Rashes, eruptions, scars, tattoos, moles, hair pattern (See page 20 for definitions of dermatologic lesions. Conjunctiva; sclera; lids; position of eyes in orbits; pupil size, shape, reactivity; ex- traocular muscle movements; visual acuity (eg, 20/20); visual fields; fundi (disc color, size, margins, cupping, spontaneous venous pulsations, hemorrhages, exudates, A-V ratio, nicking) Ears. Test hearing, tenderness, discharge, external canal, tympanic membrane (intact, dull or shiny, bulging, motility, fluid or blood, injected) Nose. Symmetry; palpate over frontal, maxillary, and ethmoid sinuses; inspect for obstruc- tion, lesions, exudate, inflammation. Lips, teeth, gums, tongue, pharynx (lesions, erythema, exudate, tonsillar size, pres- ence of crypts) Neck: ROM, tenderness, JVD, lymph nodes, thyroid examination, location of larynx, carotid bruits, HJR. JVD should be reported in relationship to the number of centime- ters above or below the sternal angle, such as “1 cm above the sternal angle,” rather than “no JVD. If indicated: vocal fremitus, whispered pectoriloquy, egophony (found with con- solidation) Heart: Rate, inspection, and palpation of precordium for point of maximal impulse and thrill; auscultation at the apex, LLSB, and right and left second intercostal spaces with diaphragm and apex and LLSB with bell. There are 12 cranial nerves, the functions of which are as follows: • I Olfactory—Smell • II Optic—Vision, visual fields, and fundi; afferent limb of pupillary response • III, IV, VI Oculomotor, trochlear, abducens—Efferent limb pupillary response, pto- sis, volitional eye movements, pursuit eye movements • V Trigeminal—Corneal reflex (afferent), facial sensation, masseter and temporalis muscle tested by biting down • VII Facial—Raise eyebrows, close eyes tight, show teeth, smile, or whistle, corneal reflex (efferent) • VIII Acoustic—Test hearing by watch tick, finger rub, Weber–Rinne test (see also page 27) to be done if hearing loss noted on history or by gross testing. Pain (sharp) or temperature distal and proximal upper and lower extremities, vibra- tion using either a 128- or 256-Hz tuning fork or position sense distally upper and lower extremities, and stereognosis or graphesthesia. Identify any deficit using the dermatome and cutaneous innervation diagrams (see Figure 1–3). Brachioradialis and biceps C5–6, triceps C7–8, abdominal (upper T8–10, lower T10–12), quadriceps (knee) L3–4–5, ankle S1–2, (Grading system: 4+ Hyperactive with clonus; 3+ brisker than usual; 2+ normal or average; 1+ decreased or less than normal; 0 absent).
During the examination best apcalis sx 20mg erectile dysfunction teenager, the physician striction and slow heart rate purchase apcalis sx 20mg online erectile dysfunction drugs online, are not consistent with found that the patient had open-angle glaucoma the actions of epinephrine, which would be ex- that required treatment to reduce the pressure in pected to cause bronchodilation and an increase in the eye. Several months later Pilocarpine, a naturally occurring cholino- the patient began to gain weight, became dyspneic mimetic, and timolol, a -blocking agent, both and complained of “asthmatic attacks. Pilocarpine, because of its ag- nation showed bronchospasm and severe congestive onistic effect at muscarinic receptors, can cause heart failure with a slow ventricular rate. The slow heart rate is also plicates the eyedrops in precipitating the congestive consistent with either a -blocker or use of pilo- heart failure. One might have expected gastrointestinal enough drug through the eye to produce systemic disturbances if the reaction to the glaucoma med- effects, it does happen and physicians should be ication was due to the systemic accumulation of pi- aware of it. All in all, the most likely choice is a - open-angle glaucoma include the carbonic anhy- blocker, and a different class of drug should be used drase inhibitors (e. Wonderlin DRUG LIST GENERIC NAME PAGE GENERIC NAME PAGE Acetylcholine 122 Isoﬂuorophate 127 Ambenonium 126 Methacholine 123 Bethanechol 123 Neostigmine 130 Carbachol 123 Physostigmine 130 Demecarium 130 Pilocarpine 123 Donepezil 128 Pralidoxime 131 Echothiophate 130 Pyridostigmine 127 Edrophonium 126 Rivastigmine 127 Galanthamine 128 Tacrine 128 Muscarinic Receptors and Signal Cholinomimetic drugs can elicit some or all of the Transduction effects that acetylcholine (ACh) produces. This class of drugs includes agents that act directly as agonists at Classical studies by Sir Henry Dale demonstrated that cholinoreceptors and agents that act indirectly by in- the receptors activated by muscarine, an alkaloid iso- hibiting the enzymatic destruction of endogenous ACh lated from the mushroom Amanita muscaria, are the (i. The directly acting choli- same receptors activated by ACh released from nomimetics can be subdivided into agents that exert parasympathetic nerve endings, from which the general their effects primarily through stimulation of mus- notion that muscarinic agonists have parasympatho- carinic receptors at parasympathetic neuroeffector mimetic properties was born. This conclusion is true junctions (parasympathomimetic drugs) and agents that but incomplete, and we now know that muscarinic re- stimulate nicotinic receptors in autonomic ganglia and ceptors have a broader distribution and many func- at the neuromuscular junction (see Chapter 9). To understand the actions of choli- chapter focuses on the parasympathomimetic drugs and nomimetic drugs it is essential to recognize that cholinesterase inhibitors. Drugs acting at nicotinic re- muscarinic receptors: (1) mediate the activation of ef- ceptors are presented in Chapters 14 and 28. This lack of speciﬁcity ceptors may inﬂuence most of the organ systems along combined with the broad-ranging effects of muscarinic with CNS pathways involved in regulating voluntary stimulation on different organ systems makes the ther- motor activity, memory, and cognition. Activation of apeutic use of cholinomimetic drugs a challenge, and presynaptic muscarinic receptors can inhibit the release the careful consideration of the pharmacokinetic prop- of endogenous neurotransmitters, and may account for erties of the drugs plays an especially important role in some paradoxical effects of cholinomimetic stimulation. Binding studies with high-afﬁnity receptor antago- nists revealed four subtypes of muscarinic receptors that can be distinguished on the basis of (1) the rank or- DIRECT-ACTING der of potency of speciﬁc antagonists in functional ex- PARASYMPATHOMIMETIC DRUGS periments and (2) the afﬁnity of these antagonists for muscarinic receptors in the same tissues. More recently, Acetylcholine molecular studies have revealed ﬁve genetically distinct receptor subtypes, named M1 through M5, the ﬁrst four Acetylcholine is an ester of choline and acetic acid, the of which correspond to functionally deﬁned receptors. The choline moiety of ACh contains a quater- erogeneously distributed: (1) M1 receptors are present nary ammonium group that gives ACh a permanent in brain, exocrine glands, and autonomic ganglia. The anionic transmembrane domain, G protein–coupled receptors, site contains a negatively charged amino acid that binds and they are structurally and functionally unrelated to the positively charged quaternary ammonium group of nicotinic ACh receptors. This probably serves to ceptors by an agonist triggers the release of an intracel- bring the ester linkage of ACh close to the esteratic site lular G-protein complex that can speciﬁcally activate of the enzyme. Fortunately, residue, which is made more reactive by hydrogen the cellular responses elicited by odd- versus even- bonding to a nearby histidine residue. The nucleophilic numbered receptor subtypes can be conveniently dis- oxygen of the serine reacts with the carbonyl carbon of tinguished. During this re- produces an inosine triphosphate (IP3) mediated re- action, choline is liberated and an acetylated enzyme is lease of intracellular calcium, the release of diacylglyc- formed. The latter intermediate is rapidly hydrolyzed to erol (which can activate protein kinase C), and stimula- release acetic acid and regenerate the active enzyme. These receptors are primarily The entire process takes about 150 microseconds, one of responsible for activating calcium-dependent responses, the fastest enzymatic reactions known. AChE (also known as true, speciﬁc, or lyl cyclase, and activation of M2 receptors opens potas- erythrocyte cholinesterase) is found at a number of sites sium channels. The opening of potassium channels hy- in the body, the most important being the cholinergic perpolarizes the membrane potential and decreases the neuroeffector junction. Here it is localized to the pre- excitability of cells in the sinoatrial (SA) and atrioven- junctional and postjunctional membranes, where it rap- tricular (A-V) nodes in the heart. These limitations have been circumvented in Anionic site Esteratic site part by the development of three choline ester derivatives of ACh: methacholine (Provocholine), carbachol (Isopto Carbachol, Miostat) and bethanechol (Urecholine). This modiﬁcation greatly increases its selectivity for muscarinic receptors (CH3)3N CH2 CH2 OH CH3 C O relative to nicotinic receptors, and it renders methacholine O H resistant to the pseudo-ChE in the plasma and decreases its susceptibility to AChE, thereby increasing its potency and duration of action compared to those of ACh.
Although the COX-2 that alters the pharmacokinetics of other drugs taken in drugs are no more efﬁcacious than the older nonselec- combination with aspirin trusted apcalis sx 20mg erectile dysfunction pills amazon. Salicylates passively diffuse to tive COX inhibitors discount 20 mg apcalis sx amex erectile dysfunction 16 years old, the decrease in side effect proﬁle all tissues, including breast milk, fetal tissues, and the has provided a new mechanism of long-term antiinﬂam- CNS. Clearance at high doses (>2–4 g/day) is via zero or- cause it decreases pain at predominantly peripheral der kinetics, and the half-life can approach 15 hours. At sites with little cortical interaction and thus has few lower doses (600–1000 mg/day), clearance depends on CNS effects. The prototypical COX-2 inhibitors are the concentration of glucuronide or glycine available for celecoxib (Celebrex) and its chemical cousin, rofecoxib conjugation and is a ﬁrst-order process (half-life of ap- (Vioxx). However, renal clearance is 26 Opioid and Nonopioid Analgesics 313 highly dependent on the pH of the urine; the higher the tory centers in the medulla. In addi- Alkalinization of the urine is used to increase clearance tion, salicylates uncouple oxidative processes leading to of the salicylates in the case of toxicity or overdose. The onset of acidosis, if not treated less than 1 Mechanism of Action and Pharmacological hour after ingestion of aspirin, will lead to loss of rhyth- Effects micity of respiration and eventually loss of breathing. Treatments include alkalinization of the urine, ﬂuid re- Aspirin and related salicylates produce their pharmaco- placement, gastric lavage with activated charcoal, dialy- logical effects predominantly by inhibiting the synthesis sis, and artiﬁcial ventilation. The the form of salicylism, which is accompanied by ringing prostanoids are mediators of inﬂammatory responses in in the ears (tinnitus), vertigo, and bronchospasm (espe- many cell types. The use of salicylate-containing that it irreversibly acetylates COX-1 and COX-2, which preparations is not the only source of this drug. Those are required for the synthesis of prostanoids from sensitive to salicylates should be aware of salicylates in arachidonic acid. COX-2 is induced during inﬂamma- a number of foods, such as curry powder, licorice, tion and is therefore considered to mediate most in- prunes, raisins, and paprika. Aspirin acetylation of COX-1 The use of aspirin in children and teenagers with ei- permanently inactivates the enzyme, while acetylated ther chickenpox or inﬂuenza is contraindicated, since COX-2 is capable of producing 15-HETE. Such patients should be closely mon- Clinical Uses itored and the salicylate stopped at least 1 week prior to Aspirin and related salicylates are the primary treat- surgery because of the possibility of increased clotting ment for mild to moderate pain, such as that associated time and excessive bleeding. Similarly, the use of salicy- with headache, joint and muscle pain, and dysmenor- lates in pregnant women may increase bleeding upon rhea. The analgesic ef- effects have been documented, such as low birth weight, fects of salicylates are thought to be due to the inhibi- fetal intracranial bleeding, and possible teratogenic ef- tion of prostaglandin synthesis in the periphery and to a fects. It de- creases prostaglandin-induced fever in response to py- Drug Interactions rogens and induces a decrease in interleukin-1 modulation of the hypothalamic control of body tem- The salicylates displace a number of drugs from plasma perature. Thus, the hypothalamic control of body tem- protein binding sites, thereby leading to potential adverse perature returns, vasodilation occurs, heat dissipates, effects by these agents. Other uses of aspirin include inhi- counter medication, patients may fail to inform the bition of platelet aggregation via inhibition of throm- doctor of their aspirin consumption. Anticoagulants are boxanes, which has been shown to decrease the inci- potentiated by aspirin by (1) displacement of the antico- agulants from plasma proteins and (2) the intrinsic anti- dence of blood clots, myocardial infarction, and transient ischemic attacks. A similar effect is observed in Overdose and Other Adverse Effects patients taking oral sulfonylureas (Orinase, DiaBeta) The major consequence of aspirin overdose, which of- for non–insulin-dependent diabetes or phenytoin ten occurs in children, results from actions on respira- (Dilantin) for seizures. Displacement of the sulfonylureas 314 IV DRUGS AFFECTING THE CENTRAL NERVOUS SYSTEM or phenytoin from plasma binding necessitates a de- fects of acetaminophen are similar to those of aspirin in crease in dosage to prevent an acute hypoglycemic event that it acts at the level of the hypothalamus to reduce or sedation, respectively. Aspirin enhances the effects of pyrogen-initiated alterations in body temperature by in- insulin (leading to hypoglycemia), penicillins and sulfon- hibiting prostaglandin synthesis. Aspirin increases the hypotensive effects of the cardiac Pharmacological Effects and Clinical Uses drug nitroglycerin but decreases the effectiveness of the Acetaminophen is similar to salicylates in that it is a loop diuretics. In patients taking methotrexate for can- useful analgesic for mild to moderate pain, with equal cer chemotherapy, aspirin may increase retention of the efﬁcacy to aspirin, and like aspirin, it is antipyretic. However, acetaminophen exerts little if any effects on Conversely, certain drugs modify the effectiveness platelet aggregation and is not antiinﬂammatory. Phenobarbital, occasionally is not useful for patients with arthritis or other inﬂam- used for seizures, induces liver enzymes that increase the matory diseases. It is also not useful as an antithrombotic metabolism and excretion of aspirin, -adrenoceptor– agent in the prevention of myocardial infarction or tran- blocking drugs, such as propranolol, and decrease the an- sient ischemic attacks. Acetaminophen does not produce tiinﬂammatory effects of aspirin, whereas reserpine de- the gastric ulceration that can occur with aspirin and is creases its analgesic effects. Adverse Effects, Contraindications, and Drug p-Aminophenol Derivatives Interactions Acetaminophen (Tylenol) is the active metabolite of Toxicity from overdose with acetaminophen differs in both phenacetin and acetanilide but has fewer toxic ef- time course and mechanism from that observed with the fects than either precursor.
9 of 10 - Review by D. Arokkh
Votes: 185 votes
Total customer reviews: 185