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Type II Diabetes Mellitus III: Clinical Manifestations and Diagnosis

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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...

Diabetes Mellitus: Type 2 and Gestational

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Type 2 diabetes, characterized by insulin resistance, arises when the insulin receptors on cells lose responsiveness to insulin, diminishing the cell's capacity to take up glucose, resulting in elevated blood glucose levels. To receive a diagnosis of Type 2 diabetes, a series of blood glucose tests are necessary to assess whether the blood glucose falls within normal parameters. If the result is out of the normal range, a patient may be diagnosed as prediabetic or diabetic, depending on the...

Diabetes: Symptoms, Diagnosis, and Complications

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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...

Type II Diabetes I: Introduction

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Diabetes: Management and Pharmacotherapy

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The therapy for diabetes aims to alleviate hyperglycemia-related symptoms, prevent acute metabolic decompensation, and reduce chronic end-organ complications. Glycemic control is evaluated through short-term (self-monitoring, continuous glucose monitoring) and long-term (A1c, fructosamine) metrics, enabling near real-time tracking of blood glucose levels and reflecting glycemic control over specific time frames.
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Related Experiment Video

Updated: Jul 3, 2026

A High-Throughput Multiplexed Screening for Type 1 Diabetes, Celiac Diseases, and COVID-19

A High-Throughput Multiplexed Screening for Type 1 Diabetes, Celiac Diseases, and COVID-19

Published on: July 5, 2022

Screening for type 2 diabetes in primary care using a stepwise protocol: the Diabscreen study.

Erwin P Klein Woolthuis¹, Wim J C de Grauw, Willem H E M van Gerwen

¹Department of General Practice, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands. e.kleinwoolthuis@hag.umcn.nl

Primary Care Diabetes

|July 18, 2008

Summary

A stepwise screening protocol using capillary blood glucose tests effectively identifies patients at risk for type 2 diabetes in primary care settings. This method is practical for opportunistic screening.

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Last Updated: Jul 3, 2026

A High-Throughput Multiplexed Screening for Type 1 Diabetes, Celiac Diseases, and COVID-19

A High-Throughput Multiplexed Screening for Type 1 Diabetes, Celiac Diseases, and COVID-19

Published on: July 5, 2022

Area of Science:

Endocrinology
Primary Care Medicine
Diabetes Mellitus Research

Background:

Type 2 diabetes poses a significant global health challenge.
Early detection through opportunistic screening is crucial for effective management.
Current screening protocols may require optimization for primary care.

Purpose of the Study:

To assess the feasibility and effectiveness of a stepwise screening protocol for type 2 diabetes.
To evaluate a protocol involving sequential capillary blood glucose measurements.
To determine the positive predictive value of this stepwise approach in a general practice setting.

Main Methods:

A stepwise protocol was implemented in 11 Dutch general practices between 2000 and 2001.
At-risk patients (n=49,229) were invited for opportunistic screening during routine care.
Sequential capillary fasting plasma glucose (cFPG1, cFPG2) and venous fasting plasma glucose (vFPG) measurements were used based on predefined glucose levels.

Main Results:

Out of 3724 invited patients, 3335 (90%) completed the initial capillary glucose test (cFPG1).
A total of 125 patients underwent the final venous glucose test (vFPG).
The protocol achieved a positive predictive value of 81% for detecting type 2 diabetes.

Conclusions:

A stepwise screening protocol utilizing two capillary blood glucose measurements is highly applicable for opportunistic type 2 diabetes screening in primary care.
This method offers a practical and efficient approach to identify individuals requiring further diagnostic testing.
The study supports the integration of this protocol into routine general practice for improved diabetes detection.