Related Experiment Video
Updated: Aug 7, 2026
12:08
Improving IV Insulin Administration in a Community Hospital
Published on: June 11, 2012
Scuba diving with diabetes mellitus--the UK experience 1991-2001
C J Edge1, M St Leger Dowse, P Bryson
1The Stone Barn, Gravel Lane, Drayton, Abingdon, Oxon UK.
Summary
This study surveyed well-controlled diabetic divers, finding no serious issues from hypoglycemia during scuba diving. Long-term diabetes complications must be assessed before permitting diabetic individuals to dive.
Area of Science:
- Diving Medicine
- Endocrinology
- Sports Medicine
Background:
- Diabetes mellitus affects a significant population, with many individuals seeking recreational activities like scuba diving.
- Understanding the safety and outcomes of diving for individuals with diabetes is crucial for medical guidance.
Purpose of the Study:
- To investigate the diving practices and outcomes of individuals with diabetes mellitus.
- To assess the safety of scuba diving for diabetic divers.
Main Methods:
- A detailed annual questionnaire was administered to diabetic divers in the UK.
- Data included epidemiological information, diving history, and medical status confirmed by diabetic physicians.
- Collected data were analyzed over an 11-year period.
Main Results:
- Data from 323 diabetic divers (269 male, 54 female) and 8,760 dives were analyzed.
- Two fatalities occurred, both in non-insulin-dependent diabetic divers.
- One instance of underwater hypoglycemia was reported in an insulin-dependent diabetic diver.
Conclusions:
- Well-controlled diabetic divers in this study experienced no significant problems related to hypoglycemia during diving.
- Pre-dive medical clearance must exclude long-term diabetes complications.
- Diabetic individuals can potentially dive safely if their condition is well-managed and complications are absent.
Related Concept Videos
01:22Diabetes Mellitus: Overview and Type I Subtype
Diabetes mellitus is a chronic metabolic disorder characterized by high blood glucose levels due to inadequate insulin production, insulin resistance, or both. The condition affects millions worldwide and can significantly impact their health and quality of life.
Type 1 diabetes is an autoimmune disease in which the immune system mistakenly attacks and destroys the insulin-producing beta cells in the pancreas. As a result, the body is unable to produce sufficient insulin, and individuals with...
Type 1 diabetes is an autoimmune disease in which the immune system mistakenly attacks and destroys the insulin-producing beta cells in the pancreas. As a result, the body is unable to produce sufficient insulin, and individuals with...
01:15Diabetes: 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...
01:12Type I Diabetes I: Introduction
Type 1 diabetes mellitus is a chronic metabolic disorder characterized by an absolute deficiency of insulin resulting from the autoimmune destruction of pancreatic β-cells. Although it can occur at any age, it is most commonly diagnosed in childhood, adolescence, or early adulthood. The loss of insulin production impairs cellular glucose uptake, resulting in persistent hyperglycemia and necessitating lifelong insulin therapy.Autoimmune Destruction of β-CellsThe hallmark of type 1 diabetes is an...
01:19Type I Diabetes III: Clinical Manifestations
Type 1 diabetes mellitus typically presents with rapid-onset symptoms due to the body’s inability to utilize glucose in the absence of insulin. Since insulin is required for glucose uptake into cells, its deficiency leads to hyperglycemia and cellular energy deprivation, resulting in characteristic clinical features.Polyuria and PolydipsiaOne of the earliest, most prominent symptoms is polyuria (excessive urination). When blood glucose concentrations rise above the renal threshold, the kidneys...
01:25Type 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...
01:25Diabetic Ketoacidosis l: Introduction
DefinitionDiabetic ketoacidosis (DKA) is an acute, life-threatening complication of diabetes mellitus, characterized by a triad of hyperglycemia (blood glucose >250 mg/dL), ketonemia or ketonuria, and metabolic acidosis (arterial pH <7.30 and serum bicarbonate <18 mEq/L). It results from insulin deficiency combined with elevated levels of counterregulatory hormones—glucagon, catecholamines, cortisol, and growth hormone—leading to increased lipolysis, hepatic ketone production, and...