Diagnostic Criteria for Bulimia Nervosa (DSM-5)

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Bulimia nervosa is an eating disorder characterized by binge eating followed by inappropriate compensatory behaviors designed to prevent weight gain. In addition, the self-evaluation of individuals with bulimia nervosa is excessively influenced by weight and body shape. The major change in criteria for diagnosis of bulimia nervosa is reducing the binge frequency threshold from twice per week in DSM-IV to once per week in DSM-5. The other differences include the DSM-IV differentiating between purging and nonpurging type (the DSM-5 does not) and the DSM-5 specifying criteria for partial remission, full remission, and severity, while the DSM-IV does not.
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Diagnostic Criteria for Anorexia Nervosa (DSM-V)

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Anorexia nervosa is a severe psychiatric disorder characterized by starvation and malnutrition, a high prevalence of coexisting psychiatric conditions, marked treatment resistance or no response to treatment, frequent medical complications, and a substantial risk of death.

Viral Dynamics of Coronavirus (Covid-19)

A novel human coronavirus, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), was identified in China in December 2019. There is limited support for many of its key epidemiologic features, including the incubation period for clinical disease (coronavirus disease 2019 [COVID-19]), which has important implications for surveillance and control activities. Continue reading

Case Definition for Severe Acute Respiratory Syndrome (SARS)

Severe acute respiratory syndrome (SARS) is a viral respiratory illness caused by a coronavirus, called SARS-associated coronavirus (SARS-CoV). Continue reading

Prevention of Coronavirus Disease (Covid-19)

There is currently no vaccine to prevent coronavirus disease 2019 (Covid-19).
The best way to prevent illness is to avoid being exposed to this virus. Continue reading

Diagnostic Criteria for Internet Addiction

Behavioural addiction affects a vast number of individuals and occurs when people find themselves unable to control the frequency or amount of a previously harmless behavior such as love, sex, gambling, work, internet and chatroom usage, shopping or exercise. Behavioural addictions are considered impulse-control disorders and share many underlying similarities to substance addictions, including aspects of tolerance, withdrawal, repeated unsuccessful attempts to cut back or quit and impairment in everyday life functioning. Continue reading

Clinical Characteristics of Coronavirus Disease (Covid-19)

During the initial phase of the Covid-19 outbreak, the diagnosis of the disease was complicated by the diversity in symptoms and imaging findings and in the severity of disease at the time of presentation. Continue reading

Diagnostic Criteria for Burnout Syndrome (BOS)

The burnout syndrome is characterized by emotional exhaustion, depersonalization and reduced personal accomplishment in individuals professionally involved with others. Continue reading

Definitions and Diagnostic Criteria for Pericarditis

Pericardial syndromes include different clinical presentations of pericardial diseases with distinctive signs and symptoms that can be grouped in specific ‘syndromes’. The classical pericardial syndromes include pericarditis, pericardial effusion, cardiac tamponade and constrictive pericarditis. Continue reading

Diagnostic Criteria for Cystic Fibrosis

Cystic Fibrosis (CF) is a multisystem disorder caused by mutations in the gene for the CF transmembrane conductance regulator (CFTR), which encodes an ion channel protein, with more than 2000 mutations identified to date. A diagnosis of CF initially relied on phenotype, with clinical recognition of characteristic signs and symptoms. Continue reading