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DAN Medical Frequently Asked Questions

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Credits

Managing Editor: Petar Denoble, MD, DSc
Author: Neal Pollock, PhD

Other Features FAQs

Remembering Liz

DOs and DON'Ts: Defining Medical Fitness to Dive, Part III

Eelgrass Restoration

First Aid Oxygen

Turnabout: Missing Diver Surfaces Among Friends

Cave Diving: Out of the Darkness and Into Safety (Part 3 of 3)

Environmental Preservation: Reducing Your Diving Footprint

Strandings Do Happen

Heads Up: Considerations for Divers with High Blood Pressure

DAN Was There for Me

A Physical Therapist Looks at Shore Diving

Physical Fitness

Getting There: Tips for Less Stressful Travel

Lobster Season Woes: Scuba Diving Fatalities in Florida's Lobster Mini-Season

The Final Dive: Investigating the Scuba Injury Death Rate

Calling All Divers: Hear the Recall Signal and Respond

Fathoms of Fear: A Case Study of Panic in a Recreational Scuba Diver

Cold-Water Protection: California Diving During the Early 1950s

Lionfish Make a New Home

A Technical Diving Primer for the Sport Diver

Getting to the Root of a Dental Problem

Theory into Practice

Identifying Problems

Before the Dive: Diver Safety and the Predive Check

At Work Diving the English Channel

Taking Flight: Wounded Warriors Find Freedom Underwater

Cave Diving: Why Open-Water Divers Should Stay Out of Caves

Errors, Panic and Running Out of Air Almost Prove Deadly

Breath-Hold Diving: Expanding Our Aquatic Range

A Unique Tribute - Robert J. Shourot

Good Samaritan Laws: A Placebo?

Fixing Mystery Lower Back Pain from Scuba and Swimming

Out of the Darkness - The Reluctant Cave Diver

Rebuilding Mahahual

Making the Quarry Scene

Stingray City Friends and Neighbors

'Oops! I Forgot to Equalize My Mask'

Lessons from Tonga

The Florida Keys Shipwreck Trail

Fiji: An escape from a world gone mad

Field Neurology for Divers

SHOOTER: Polar Perfection

ONLINE SPECIAL: Anatomy of a Shipwreck

First Aid Refresher AED

Emergency Oxygen

Diver Education

Diver Education Template

Diver Education

Diver Education Template

Diver Education

First Aid for Hazardous Marine Life Injuries

Basic Life Support: CPR and First Aid

CPR Health-Care Provider with First Aid

Neurological Assessment

Diving First Aid for Professional Divers

Diving Emergency Management Provider

Emergency Oxygen for Scuba Diving Injuries

Las Grandes Bahamas Azules

Legal Liability in Diving

Mastering Neutral Buoyancy and Trim

Rescue of an Unconscious Diver

Dealing with Downdraft Currents

Middle-Ear Equalization

Ears Top Questions

Deviated Septum

Meniere's Disease

Ear Ventilation Tubes

Hearing Loss/Deafness

Tinnitus (Ears Ringing)

Anatomy of the Ear

Cochlear Implants

Surfers Ear (Exotoses)

Dealing With Ear Problems

Ear Squeeze (Ear Pain)

Facial Baroparesis

Swimmer’s Ear (Otitis Externa)

Temporamandibular Joint Syndrome (TMJ)

Tympanic Membrane Rupture (Perforated Eardrum)

Middle-Ear Barotrauma on Ascent

Inner-Ear Barotrauma (IEBT)

Alternobaric Vertigo

Middle-Ear Barotrauma (MEBT)

Perilymph Fistula

Decompression Top Questions

Hazardous Marine Life Top Questions

Carabela Portuguesa

Blue-Ringed Octopus

Box Jellyfish (Cubozoans)

Scombroid Fish Poisoning

Red Tide and Shellfish Poisonings

Antivenom (antivenin,antivenene)

Pressure Immobilization Technique

Key Information: Introduction

Injuries: Introduction

Seasickness or Motion Sickness

Symptoms: Introduction

Hygiene: Introduction

Medical Conditions: Introduction

Basics of Your Heart and Circulatory System: Introduction

Risk Factors for Cardiovascular Disease: Introduction

Overview of Cardiovascular Risk Factors

Overweight and Obesity

Metabolic Syndrome

Structural Anomalies of the Heart: Introduction

Overview of Valvular Disorders

Mitral Valve Prolapse

Patent Foramen Ovale

Ischemic Heart Disease: Introduction

Atherosclerosis

Myocardial Infarction

Issues Involving Coronary Artery Bypass Grafts

Issues Particular to Women

Arrhythmias: Introduction

Overview of Arrhythmias

Atrial Fibrillation

Sudden Cardiac Arrest

Issues Involving Implanted Pacemakers

Pulmonary and Venous Disorders: Introduction

Deep Vein Thrombosis

Pulmonary Embolism

Immersion Pulmonary Edema

Issues Involving Cardiovascular Drugs

Antiplatelets and Anticoagulants

Antihypertensives

Antiarrhythmics

Heart Issues: Further Reading and Sources

Heart Top Questions

Ears and Equalization Quiz

Dive Accident Management & DCI Quiz

Basic Life Support and First Aid Quiz

What's Wrong With This Picture?

Test sobre Oídos y Compensación

Cozumel Scuba Fest

Understanding Alternobaric Vertigo

Primeros auxilios para lesiones causadas por vida marina peligrosa

Soporte de vida básico: RCP y primeros auxilios

Oxígeno para emergencias

Examen
Neurológico

Administrador de emergencias de buceo

The Physiological Mechanisms of DCS

Introduction to DCS

Predicting Gas Uptake and Elimination

Dive Computers Intro

Important Cautions

Basic Guidelines

Specific Tips and Tricks

Diagnosing DCS Intro

Signs and Symptoms of DCS

Differential Diagnosis of DCS

Treating DCS Intro

On-the-Scene First Aid

Subsequent Evaluation

Hyperbaric Oxygen Therapy

In-Water Recompression

Emergency Resources

Contributing Factors Intro

Optimal Practices

Postdive Air Travel

Medical and Physical Fitness

State of Hydration

Breathing Gas Mixture

Carbon Dioxide Level

Patent Foramen Ovale

Additional Factors

Ensure Your Safety

Información Clave: Introducción

Anatomía del Oído

Compensación del Oído Medio

Lesiones: Introducción

Barotrauma de Oído Medio (BTOM)

Ruptura de la Membrana Timpánica (Tímpano Perforado)

Barotrauma de Oído Interno (BTOI)

Fístula de Perilinfa

Vértigo Alternobárico

Barotrauma de Oído Medio en Ascenso (Compresión Reversa)

Baroparesia Facial

Sindrome de Articulación Temporomandibular (SATM)

Oído del Surfista

Oído de Nadador (Otitis Externa)

Síntomas Introducción

Mareo o Cinetosis

Acúfeno (Zumbido en los Oídos)

Pérdida de la Audición/Sordera

Higiene: Introducción

Higiene de los Oídos

Tapones para los Oídos

Tubos de Ventilación Para el Oído

Condiciones Médicas: Introducción

Enfermedad de Meniere

Tabique Nasal Desviado

First On-Board Article

Test sobre Factores de Riesgo Cardiovascular para Bucear

Quiz - Module 1: Introduction

Envenenamientos: Introducción

Portuguese Man-of-War

Conceptos básicos sobre su Corazón: Introducción

Pulpo de Anillos Azules

Cubomedusas (Cubozoarios)

Welcome To DAN On-Board

About the DAN On-Board Course

Program Structure

Responsibilities

Getting the Most from this Course

Introduction to the DAN On-Board Program

Why Use a Boat?

Dive Boat Terminology

Dive Boat Features

Dive Boat Etiquette

Loading and Stowing Gear

Passenger Safety Orientation

Lesiones Traumáticas: Introducción

Abrasión Cutánea

Intoxicaciones: Introducción

Intoxicación por ingesta de pescado del grupo de los escómbridos

Marea Roja e Intoxicaciones por Ingesta de Moluscos

Apéndice: Introducción

Técnica de Immovilización por Presión

Como el buceo afecta su salud y su sistema circulatorio

La Salud cardiaca y el Riesgo de Muerte mientras Bucea.

Comprender el concepto de Capacidad de Ejercicio Aeróbico

Los efectos del envejecimiento en su sistema cardiovascular

Calcular la intensidad de la actividad física

Actividad Física. Recomendaciones

Poniendo en perspectiva los riesgos y beneficios de la actividad física

Quiz Module 2: Types of Boats

Quiz Module 3: Dive Boat Etiquette

Factores de riesgo de la enfermedad cardiovascular: Introducción

Información General sobre los factores de riesgo cardiovasculares

Sobrepeso y Obesidad

Síndrome Metabólico

Anomalías Estructurales del Corazón: Introducción

Información General sobre los desórdenes Valvulares

Prolapso de Válvula Mitral

Foramen Oval Permeable

Enfermedad Cardíaca Isquémica:Introducción

Ateroesclerosis

Infarto de Miocardio

Cuestiones relacionadas con el bypass arterial coronario

Cuestiones referentes a las mujeres

Arritmias:Introducción

Información General sobre Arritmias

Fibrilación Auricular

Paro cardíaco súbito

Cuestiones relacionadas con un Marcapasos implantado

Desórdenes venosos y pulmonares: Introducción

Trombosis venosa profunda

Embolia Pulmonar

Edema Pulmonar por Inmersión

Cuestiones relacionadas con los medicamentos cardiovasculares

Antiplaquetarios y anticoagulantes

Antihipertensivos

Antiarrítmicos

How to reach DAN

Introduction to DAN

How to use this electronic guide

Accessing Emergency Assistance

Prudent Travel Planning

Hazards of Specific Modes of Travel

Medical Fitness to Travel

Resources to Take With You

Trip Planning and Preparedness

Motion Sickness

Deep Vein Thrombosis

Common infectious diseases and their prevalence

Common vector-borne diseases and their prevention

Staying a step ahead of travel-related illnesses

New and emerging diseases

Food safety while traveling

Chronic Obstructive Pulmonary Disease (COPD)

Injuries due to exposure

Water Sports Related Injuries

Marine Animal Injuries

Essential Skills

Rescuing divers and swimmers

Assembling a Travel Medical Kit

Neurological Assessment

Introduction to Envenomations

Blue-Ringed Octopus

Box Jellyfish (Cubozoans)

Portuguese Man-of-War

Introduction to Traumatic Injuries

Introduction to Seafood Poisonings

Scombroid Fish Poisoning

Red Tide and Shellfish Poisonings

Antivenom (antivenin,antivenene)

Pressure Immobilization Technique

Travel-Related Disorders

Common travel illnesses

Sexually transmitted diseases

Chronic Illnesses and Travel

Travel-Related Injuries

Principles of First Aid

Common medical emergencies

Travel Health Kit

Slideshow English

Comprender el Vértigo Alternobárico

Understanding Alternobaric Vertigo

Sea cuidadoso con los Oídos

Hazardous Marine Life Quiz

Slideshow Spanish New

Abdominal hernia

Gastrointestinal conditions

Gallstones: Causes, Risks, Symptoms and Treatments

Nutrition for boaters

Cuba Bonus Photo Gallery

Douglas Seifert Bonus Photo Gallery

DAN is here: why read this blog?

INFORMAÇÃO CHAVE: INTRODUÇÃO

ANATOMIA DA ORELHA

EQUALIZAÇÃO DA ORELHA MÉDIA

LESÕES: INTRODUÇÃO

BAROTRAUMA DE ORELHA MÉDIA (BOM)

SINTOMAS: INTRODUÇÃO

CINETOSE OU MAL DO MOVIMENTO

TINNITUS (ZUMBIDO NAS ORELHAS)

PERDA AUDITIVA/SURDEZ

HIGIENE: INTRODUÇÃO

HIGIENE AUDITIVA

TAMPÕES DE ORELHA

GOTAS OTOLÓGICAS

TUBOS DE VENTILAÇÃO PARA ORELHA

CONDIÇÕES MÉDICAS: INTRODUÇÃO

DOENÇA DE MENIÈRE

DESVIO DE SEPTO

ORELHAS - PRINCIPAIS QUESTÕES

POLVO-DE-ANÉIS-AZUIS

ENVENENAMENTO ESCOMBRÓIDE

MARÉ VERMELHA & ENVENENAMENTO POR MARISCOS

ABRASÃO CUTÂNEA

OURIÇOS-DO-MAR

OS MECANISMOS FISIOLÓGICOS DA DOENÇA DESCOMPRESSIVA

PREVENDO A ABSORÇÃO E ELIMINAÇÃO DE GASES

APRESENTAÇÃO DA DOENÇA DESCOMPRESSIVA

INTRODUÇÃO COMPUTADOR DE MERGULHO

CUIDADOS IMPORTANTES

DIRETRIZES BÁSICAS

DICAS E RECURSOS ESPECÍFICOS

DIAGNOSTICANDO A DOENÇA DESCOPRESSIVA: INTRODUÇÃO

SINAIS E SINTOMAS DA DOENÇA DESCOMPRESSIVA

DIAGNOSTICO DIFERENCIAL DE DD

NOÇÕES BÁSICAS SOBRE O SEU CORAÇÃO E SIST. CIRCULATÓRIO: INTRODUÇÃO

COMO O MERGULHO PODE AFETAR O SEU CORAÇÃO E SEU SIST. CIRCULATÓRIO

A SAÚDE CARDÍACA & SEU RISCO DE VIDA DURANTE O MERGULHO

COMPREENDENDO O CONCEITO DE CAPACIDADE AERÓBICA

OS EFEITOS DO ENVELHECIMENTO SOBRE O SEU SISTEMA CARDIOVASCULAR

CALCULO DA INTENSIDADE DA ATIVIDADE FÍSICA

RECOMENDAÇÕES DE ATIVIDADE FÍSICA

COLOCANDO OS RISCOS E BENEFÍCIOS DA ATIVIDADE FÍSICA EM PERSPECTIVA

FATORES DE RISCO PARA DOENÇA CARDIOVASCULAR: INTRODUÇÃO

VISÃO GERAL DOS FATORES DE RISCO CARDIOVASCULARES

SOBREPESO E OBESIDADE

A SÍNDROME METABÓLICA

ANORMALIDADES ESTRUTURAIS DO CORAÇÃO: INTRODUÇÃO

VISÃO GERAL DOS DISTÚRBIOS VALVULARES

PROLAPSO DE VÁLVULA MITRAL

FORAME OVAL PATENTE

CARDIOPATIA ISQUÊMICA: INTRODUÇÃO

INFARTO DO MIOCÁRDIO

QUESTÕES QUE ENVOLVEM ENXERTOS DE CIRURGIAS DE REVASCULARIZAÇÃO

QUESTÕES ESPECÍFICAS DAS MULHERES

FIBRILAÇÃO ATRIAL

ARRITMIAS: INTRODUÇÃO

VISÃO GERAL DAS ARRITMIAS

PARADA CARDÍACA SÚBITA

QUESTÕES QUE ENVOLVEM MARCA-PASSOS IMPLANTADOS

DISTÚRBIOS PULMONARES E VENOSOS: INTRODUÇÃO

TROMBOSE VENOSA PROFUNDA

EMBOLIA PULMONAR

EDEMA PULMONAR POR IMERSÃO

QUESTÕES QUE ENVOLVEM MEDICAMENTOS CARDIOVASCULARES

ANTIPLAQUETÁRIOS E ANTICOAGULANTES

ANTI-HIPERTENSIVOS

ANTIARRÍTMICOS

PROBLEMAS CARDÍACOS: LEITURA ADICIONAL E FONTES

CORAÇÃO - PRINCIPAIS QUESTÕES

Introduction to DCS

The Physiological Mechanisms of DCS

TÉCNICA DE IMOBILIZAÇÃO POR PRESSÃO

ANIMAIS MARINHOS PERIGOSOS - PRINCIPAIS QUESTÕES

RESUMO E CONSIDERAÇÕES FINAIS

GARANTA A SUA SEGURANÇA

FATORES QUE CONTRIBUEM PARA O ESTRESSE DESCOMPRESSIVO: INTRODUÇÃO

CARGA DE TRABALHO

ESTRESSE TÉRMICO

PRÁTICAS IDEAIS

VOO APÓS MERGULHO

APTIDÃO MÉDICA E FÍSICA

TRATANDO A DOENÇA DESCOMPRESSIVA: INTRODUÇÃO

PRIMEIROS SOCORROS NO LOCAL

AVALIAÇÃO SUBSEQUENTE

OXIGENOTERAPIA HIPERBÁRICA

RECOMPRESSÃO NA ÁGUA

RECURSOS DE EMERGÊNCIA

ESTADO DE HIDRATAÇÃO

MISTURA DE GASES

NÍVEL DE DIÓXIDO DE CARBONO

FORAME OVAL PATENTE

DESCOMPRESSÃO - PRINCIPAIS QUESTÕES

7 Mistakes Divers Make: And How to Avoid Them

13 Ways to Run Out of Air & How Not to

Beat the Squeeze: Equalize Like a Pro

Know Before You Go: How to Plan Your Dive Trip

Breathing Gas Contamination

Contaminação do gás respirável

Diretrizes de Navegação Segura

Dry Suit Diving

Considerações médicas para mergulhadores com roupa seca

7 Erros que os mergulhadores cometem: Como evitá-los

Para saber antes de viajar: Como planejar sua viagem de mergulho

O Guia Inteligente da DAN para Viagens

13 Maneiras de ficar sem ar & Como evitar que isso aconteça Vença a compressão

Diving in an overhead cavern with half empty tanks

A momentary lapse led to trauma

High Altitude Illness

Dive computer display led to running out of gas

A Runaway Ascent in a Dry Suit

Inflator valve stuck, causing rapid ascent

A mysterious pain; could it be decompression sickness?

An ear barotrauma prevented further diving on dive trip

Galápagos Photo Gallery

DCS after a deep, wreck, night dive

Experience Matters

Explore All Possibilities

Fisherman develops spinal DCS after IWR attempt for joint pain DCS

David Wilkinson Named 2019 DAN/Rolex Diver of the Year

DAN Offers Resources for Dive Pros Seeking Liability Coverage

DAN Awards Prestigious Hamilton Research Grant to Jens-Christian Meiners

DAN Unveils New Air Quality and Dive Boat Safety E-Learning Courses

Grade III Barotrauma with DCS in Honduras

Type II DCS in the Maldives

Couple Experiences DCS in the Maldives

Dive Industry Raises More Than $220,000 for Conception Families

DAN Announces 2020 Dive Show Attendance

DAN Announces New Cardiac Health Research Grant

About Coronavirus (COVID-19)

DAN’s Quick Guide to Properly Disinfecting Dive Gear

A fully serviced first stage gave an air-out after 12 dives

DAN alienta a los buceadores y operadores de buceo a desinfectar el equipo de buceo apropiadamente

COVID-19: Updated First Aid Training Recommendations From DAN

Recomendaciones de DAN para el entrenamiento de primeros auxilios

DAN-UHMS Fall 2020 Diving and Hyperbaric Medicine Course

Unidades de buceo: no son sustitutos apropiados de los respiradores

Unidades de oxígeno de DAN y tratamiento de COVID-19

CPR and COVID-19

Diving after COVID-19: What We Know Today

DAN Extends Liability Coverage 90 Days to Help Professionals and Businesses

COVID-19: Surface Survival Times

DAN Launches Live Webinar Series

DAN Answers FAQs About Returning to Diving