By L. Ningal. Worcester State College. 2018.
These are people who were born with an innate set of talents and skills (not as Get goal-oriented generic aldactone 25mg blood pressure chart download excel. Spreading yourself too thin will produce common as one might think) and or who grew to develop such mediocre results discount aldactone 25 mg mastercard blood pressure ratio. Not only will this help you leaders have a clear sense of their values and beliefs, have the maintain balance in your life, it will also help you succeed in social skills to attract and maintain relationships with others those things that you choose to take on. Leaders in a way that motivates action on those values and beliefs, and didn’t get to where they are by stopping half-way down the maintain a transparency, integrity and genuineness that foster track. They can also readily identify their on any scale, to bring about positive change and promote vulnerabilities, faws and shortcomings—again, as perceived by improved outcomes. Be yourself and be genuine: superfcial- ship skills is an important aspect of their development as ity and phoniness are easy for others to detect. The following discussion explores a set comfortable in your own skin, how to use your own strengths of catch-phrases that can inspire the cultivation of leadership and talents, and how to adapt your style of interpersonal skills among new physicians. Most success- Summary ful leaders have had the beneft of some form of formal lead- Specialty medicine has embraced the belief that it has much ership training. Typically, leadership courses offer assessment to offer in the leadership of health, health care, medical train- of personality traits and interpersonal styles as part of their ing and education, medical research and medical politics. Ask your stresses that leadership is an important role for the specialist provincial or national housestaff and medical associations for physician and is encouraging trainees to acquire a broad array their recommendations for leadership training, and also con- of skills that will cultivate their leadership ability. Despite your best intentions, you The fellow asks to meet with the chief and is surprised to will bruise feelings, leave people out, subvert processes, create discover that they have very similar concerns. Seek asks the fellow to join two teams: a working group that is lots of feedback on your leadership efforts, learn the techniques completing an informal review of the department, and a of refective practice, and develop a process of modifying your national task force focused on physician resources. Over the course of the next year, the one of the critical elements of a successful career. Everyone fellow makes a number of helpful contacts, one of whom benefts from mentorship and by mentoring others. With their support, the fellow eral, mentors are individuals that negotiate a relationship that fnds an excellent position in a neighbouring province. The focuses primarily on the growth and development of the less fellow keeps in touch with their former program director experienced of the pair, and some mentors actively seek ways and is pleased to learn that a number of the recommenda- to promote the career development of their mentee. These re- tions from the informal review have been implemented lationships can be incredibly satisfying and often last for many and are successful. Indeed, some people have a number of mentors, each of whom helps with a particular area of development (e. Leadership development is a tremendous opportunity to fo- cus on your own resiliency. The insights gained in leadership development, particularly with respect to identifying your core values and beliefs, your interpersonal style and your personality traits, are powerful and practical. When things are stressful and diffcult, and your vulnerabilities become apparent, your lead- ership skills and traits can help you to cope well. In addition, your leadership skills can help promote a system of medicine that promotes the health and well-being of all involved, includ- ing all health professionals as well as the patients and families they serve. However, establishing and maintaining lifestyle habits, this might even motivate their patients to adopt a healthy equilibrium between professional and personal life similarly healthy behaviours. Thus, an argument can be made is not easy, and it is not uncommon for practising physicians that medical education should encourage health professionals and residents to struggle with time management, competing to practise and exhibit healthy lifestyles. Recommendations demands between work and home, and tensions in intimate have been made on the basis of research fndings that spend- relationships. Physicians’ work-life balance is shaped by many ing more personal time with friends and family can decrease factors, including workload, practice specialty and setting, the stress. However, perhaps the strongest determinant must ensure that they have their own family physician, be alert of a healthy work-life balance is the ability to control one’s to colleagues in need of support, and when appropriate initi- schedule and the total number of hours worked. For the professional culture of Canadian surveys have shown that most physicians believe medicine to achieve a healthy balance between work and home their workload is too heavy and that their family and personal life, these concepts must not only be taught, but must also be lives have suffered because of their choice of medicine as a strongly encouraged by individuals in positions of authority at career.
Other useful testing which can be done by the bedside It is most useful in monitoring disease patterns aldactone 25mg generic hypertension specialist, e buy generic aldactone 100mg on-line lipo 6 arrhythmia. Laboratory testing Spirometry: This is now possible with bedside elec- More comprehensive tests can be performed in the pul- tronic spirometers, which are more portable and con- monary function laboratory, but the equipment requires venient than the older Vitalograph models. The patient aspecialisttechnician,isexpensive,time-consumingand takes a deep breath to full inspiration, then blows as hard patients with severe chronic airﬂow limitation ﬁnd some as they can and must continue to blow into the spirom- of the tests difﬁcult to perform, claustrophobic or ex- eter until the lungs can be emptied no further (≥6sec- hausting. In reversible obstructive 1 Flow–volume loops: These can localise the site of airways disease this gives the graph shown in Fig. In restric- of the lungs across the alveolar-capillary membrane by tive lung disease there is a proportionate reduction in indirectly measuring the uptake of carbon monoxide 96 Chapter 3: Respiratory system Forced inspiration Inspiratory Normal inspiration reserve Tidal Vital volume capacity Total Lung Capacity Normal expiration Expiratory Functional reserve residual Forced expiration capacity Residual volume Figure 3. It depends not only on the Investigations thickness of the alveolar-capillary membrane but also r Biopsy: Central bronchial lesions are easily biopsied, on the ventilation/perfusion matching (which is com- there is a small risk of haemorrhage particularly if it is monly abnormal in lung disease) and on lung vol- avascular lesion or carcinoid tumour. It carries a small but signiﬁcant risk of r The K falls in severe emphysema, pulmonary pneumothorax. Ap- Flexibleﬁbreopticbronchoscopyismostcommonlyused propriate staining and culture is needed. Therapies Topical local anaesthetic is applied to the nose and r Aspiration of mucus plugs. Following sedation the ﬂexible bronchoscope is r Laser therapy for obstructing bronchial carcinoma. Once in the r Transbronchialstentingforobstructingbronchialcar- trachea further topical anaesthesia is administered. Radiographic screening can be used for peripheral cardiac arrhythmias (usually transient), pneumothorax, lesions which cannot be directly visualised. Chapter 3: Respiratory infections 97 Thoracic surgery Aetiology The primary cause is usually a respiratory virus, e. The potential space created by the removal is The virus enters via the airway by droplet inhalation ﬁlled with remaining lung, elevation of the diaphragm and causes local inﬂammation, inducing secretions and and mediastinal shift. The hilar vessels are ligated and the bronchus is divided and Clinical features closed close to the carina. The the operation not occupied by shift of other struc- patient may feel short of breath, wheezy and complain tures ﬁlls with blood and serum which organises and of chest tightness and retrosternal discomfort. Thecoughthenbecomeswet Thoracoscopy is used for diagnosis of pleural disease, and productive of yellow or green sputum. Discoloured mediastinoscopy to sample upper mediastinal lymph sputum signiﬁes infection, which may be of bacterial or nodes and mediastinotomy to sample lower mediasti- viralorigin. Single lung ventilation is used to allow the collapse of the lung being operated on, e. The airway mucosa becomes red and oedematous, there Speciﬁc complications following thoracic surgery in- is often an overlying mucopurulent exudate. Respiratory infections Investigations Acute bronchitis These are usually not required, there may be a mild neu- trophil leucocytosis even in viral infections. Patients presenting with acute bronchitis during an inﬂuenza epidemic may ben- Incidence eﬁt from treatment with a neuraminidase inhibitor if Very common. Only if secondary bacterial infection is suspected should a course of antibiotics be Age prescribed. Any Prognosis Sex The illness usually lasts up to a week in healthy adults, M = F prolonged symptoms may occur. Changes in the course 98 Chapter 3: Respiratory system of the illness or presence of bronchopneumonia suggest Table3. Conditions impairing Defence mechanism defence mechanism Pneumonia Cough Coma/anaesthesia Respiratory depression Deﬁnition Neuromuscular weakness Pneumonia is an infective, inﬂammatory disease of the Ciliary function Smoking, inﬂuenza, colds lung parenchyma. Bronchiectasis (including cystic ﬁbrosis and Kartagener’s syndrome) Aetiology Ciliary function can also be It is useful to classify pneumonia according to the impaired mechanically by causative organism or the clinical setting, e. This helps to determine the choice of carcinoma Phagocytosis Smoking antibiotics for treatment. Alcohol Pneumonia most often occurs in children and the el- Hypoxia derly, but may also affect young, ﬁt adults. Viralpneumonia is less common, but bacterial pneumo- r Atypical pneumonias cause predominantly interstitial nia may be a secondary complication.
The brain is most sensi- Opiates buy aldactone 100mg with amex blood pressure of normal person, ecstasy tive to this and if hyponatraemia occurs rapidly oedema develops purchase 100 mg aldactone free shipping pulse pressure 12080, leading to raised intracranial pressure, brain- stem herniation and death. If hyponatraemia develops it is acute or chronic and whether there is ﬂuid depletion, more slowly, the cells can offset the change in osmolality euvolaemia or ﬂuid overload. This reduces the degree r Acute hyponatraemia is usually due to vomiting and of water movement and there is less cerebral oedema. The severity depends on the ceases and the kidneys rapidly excrete the excess water degree of hyponatraemia and the rapidity at which (up to 10–20 L/day). In severe cases, the patient may have seizures water there needs to be the following: r or become comatose. It is important to take a careful Adequate ﬁltrate reaching the thick ascending loop of drug history, including the use of any illicit drugs such Henle (where sodium is extracted to produce a dilute as heroin or ecstasy. This is impaired in renal failure and hypo- of ﬂuid depletion or ﬂuid overload (see page 2). Investigations r Adequate active reabsorption of sodium at the loop of To determine the cause of hyponatraemia the following Henle and distal convoluted tubule, this is impaired tests are needed: the plasma osmolality, urine osmolality by all diuretics. Almost all of the body’s potassium stores are intracellu- r Urine osmolality helps to differentiate the causes of lar, with a high concentration of potassium maintained hyponatraemia with a low plasma osmolality. If the urine ingcellularmembranepotentialandsmallchangesinthe is dilute, this suggests psychogenic polydipsia or ex- extracellular potassium level affect the normal function cessiveinappropriateintravenousdextroseordextros- ofcells,particularlyofmusclecells,e. Fluid reple- r Intake can be increased by a potassium-rich diet or by tion should lead to the production of dilute urine (low oral or intravenous supplements. Vom- In addition, thyroid function tests and cortisol should iting or diarrhoea can reduce total body potassium. AshortSyn- by the kidneys is controlled by aldosterone, which acts acthen test (see page 441) may also be indicated. Dis- Management turbances of the renin–angiotensin–aldosterone sys- In all cases, treating the underlying cause successfully tem can therefore cause alterations in the potassium will lead to a return to normal values. In severe renal failure, when 90% of the renal r Fluid depletion is treated with saline or colloid re- function is lost, the kidneys become unable to excrete placement. Anticonvulsants may be In most tissues, including the kidney, potassium and necessary to treat ﬁts. Intravenous saline should concentration is high (acidotic conditions), the kidney be avoided and patients must adhere to a low-sodium excretes hydrogen ions in preference to potassium; in diet. In severe nephrotic syndrome with oedema, in- the tissues, hydrogen ions compete with potassium to travenous albumin may be required together with di- be taken up by the cells, so extracellular potassium con- uretics. As the acidosis is cor- rected, potassium is taken up by the cells and may cause Prognosis hypokalaemia. Conversely, in metabolic alkalosis potas- Acute severe symptomatic hyponatraemia has a mortal- sium is excreted in exchange for hydrogen ions, leading ityashighas50%. Chapter 1: Fluid and electrolyte balance 7 Insulin and activation of β2 receptors tend to drive may be a cardiac arrhythmia or sudden cardiac arrest. Investigations Hyperkalaemia U&Es, calcium, magnesium to look for evidence of renal Deﬁnition impairment and any associated abnormality in sodium, Aserumpotassiumlevelof>5. An arterial blood gas to look for aci- cardiac arrhythmias and sudden death without warning. This is a common problem, affecting as many as 1 in 10 Abnormalities occur in the following order: tall, tented inpatients. Patients may develop bradycardia or complete Aetiology heartblock,andifleftuntreatedmaydiefromventricular The causes are given in Table 1. Hyperkalaemia lowers the resting potential, shortens the cardiac action potential and speeds up repolarisation, Management therefore predisposing to cardiac arrhythmias. The ra- Ideally hyperkalaemia should be prevented in at-risk pa- pidity of onset of hyperkalaemia often inﬂuences the risk tientsbyregularmonitoringofserumlevelsandcarewith of cardiac arrhythmias, such that patients with a chron- medication and intravenous supplements. Once hyper- ically high potassium level are asymptomatic at much kalaemia is diagnosed, withdraw any potassium supple- greater levels.
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