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Related Concept Videos

Obesity01:24

Obesity

The Body Mass Index (BMI) is a numerical value derived from a person's weight and height, used to categorize individuals into weight ranges. It is calculated using the formula: weight in kilograms divided by height in meters squared. Obesity is a health condition characterized by excessive accumulation of adipose tissue that poses health risks, often diagnosed with a BMI ≥ 30. This excess fat storage occurs when surplus dietary calories are converted into triglycerides and stored in adipocytes...
Drug Dosing: Obese Patients01:21

Drug Dosing: Obese Patients

In the United States, obesity is a prominent concern. It is linked to heightened mortality rates due to increased occurrences of conditions such as hypertension, atherosclerosis, coronary artery disease, and diabetes compared to nonobese individuals. A patient is classified as obese if their actual body weight surpasses the ideal or desirable body weight by 20%, based on Metropolitan Life Insurance Company data. Ideal body weights consider average weights and heights for males and females...
Type II Diabetes Mellitus III: Clinical Manifestations and Diagnosis01:25

Type II Diabetes Mellitus III: Clinical Manifestations and Diagnosis

Type 2 diabetes mellitus develops gradually and is often asymptomatic in early stages.Clinical ManifestationsWhen symptoms appear, they include fatigue, blurred vision, pruritus, delayed wound healing, and recurrent infections, particularly candidal infections. Peripheral neuropathy may present as numbness or tingling in the extremities. Classic hyperglycemia symptoms—polyuria, polydipsia, and polyphagia—are less common. Most patients are overweight and frequently have associated hypertension...
Pharmacokinetics in Obese Patients: Drug Absorption and Distribution01:25

Pharmacokinetics in Obese Patients: Drug Absorption and Distribution

Obesity significantly alters the pharmacokinetic processes of drug absorption and distribution, presenting unique challenges in medical treatment. The increased fat tissue and decreased lean muscle in obese individuals can significantly affect how drugs are absorbed into the body and distributed across different tissues. This alteration can lead to variances in the effectiveness and safety of medications, necessitating adjustments in dosing or drug selection for obese patients.One notable...
Pharmacokinetics in Obese Patients: Drug Metabolism and Excretion01:20

Pharmacokinetics in Obese Patients: Drug Metabolism and Excretion

Drug metabolism, a critical process in the liver, involves two primary phases: Phase I reactions and Phase II conjugation. Obesity introduces significant alterations in this metabolic process, primarily due to fatty infiltration of the liver, leading to conditions such as nonalcoholic fatty liver disease (NAFLD). This condition can modify the activities of both Phase I and II enzymes, impacting how drugs are metabolized in obese patients.Phase I metabolism sees variable effects across...
Diabetes: Symptoms, Diagnosis, and Complications01:15

Diabetes: Symptoms, Diagnosis, and Complications

For most patients, experiencing several weeks of polyuria, polydipsia, fatigue, and significant weight loss may indicate the presence of diabetes. Furthermore, adults displaying the phenotypic appearance of type 2 diabetes (particularly those who are obese and not initially insulin-requiring), may have islet cell autoantibodies, suggesting autoimmune-mediated β cell destruction and a diagnosis of latent autoimmune diabetes of adults (LADA). The categorization of glucose homeostasis is based on...

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Related Experiment Video

Updated: Jun 27, 2026

Assessment of Child Anthropometry in a Large Epidemiologic Study
09:36

Assessment of Child Anthropometry in a Large Epidemiologic Study

Published on: February 2, 2017

Can we recognise obesity clinically?

S M Smith1, P Gately, M Rudolf

  • 1York Hospitals NHS FoundationTrust, Wigginton Road, York, UK. sally.smith@york.nhs.uk

Archives of Disease in Childhood
|December 4, 2008
PubMed
Summary
This summary is machine-generated.

Healthcare professionals struggle to accurately identify overweight and obese children visually. This study highlights the need for improved assessment methods beyond simple observation to combat childhood obesity.

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Area of Science:

  • Pediatrics
  • Public Health
  • Medical Education

Background:

  • Childhood obesity is a growing public health concern.
  • Accurate identification of overweight and obese children is crucial for timely intervention.
  • Visual assessment is often used informally by healthcare professionals.

Purpose of the Study:

  • To evaluate the accuracy of healthcare professionals in identifying overweight and obese children through visual observation alone.
  • To compare visual assessments with established clinical criteria for body mass index (BMI).

Main Methods:

  • Eighty healthcare professionals participated in the study.
  • Participants visually assessed photographs of 33 children.
  • Categorization ranged from "very underweight" to "obese" and was compared to BMI-derived classifications.

Main Results:

  • Healthcare professionals demonstrated poor accuracy in assessing children's weight status.
  • Overweight and obesity were frequently underestimated by visual observation.
  • Significant discrepancies were noted between perceived and actual adiposity levels.

Conclusions:

  • Informal visual assessment is unreliable for identifying childhood overweight and obesity.
  • Healthcare professionals need enhanced training and awareness regarding their limitations in observational weight assessment.
  • Relying solely on visual cues can lead to missed opportunities for crucial childhood weight management interventions.