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Table of ContentsView All View All Table of Contents Rare Types Other Types How It’s Inherited Compatibility The rarest blood type in the world is called Rh null. It is sometimes referred to as the golden blood type.Fewer than 100 individuals worldwide are believed to have Rh null blood type, a condition described as Rh deficiency syndrome. The major blood types include the ABO system, with types A, B, AB, or O, and the Rhesus (Rh) system, which denotesRh positive (+) or Rh negative (-)for the presence or absence of the Rh(D) antigen, also calledRh factor....

Table of ContentsView AllTable of ContentsLaparoscopic Appendectomy RecoveryOpen Appendectomy RecoveryResuming Normal ActivityWound CareManaging PainWhen to Call Your Surgeon Table of ContentsView All View All Table of Contents Laparoscopic Appendectomy Recovery Open Appendectomy Recovery Resuming Normal Activity Wound Care Managing Pain When to Call Your Surgeon Appendicitissurgery recovery time varies but typically takes about six weeks.Recovery from alaparoscopic appendectomyis quicker than healing after open surgery, which usually requires a hospital stay....

Table of ContentsView AllTable of ContentsWhat It MeansIn MalesIn FemalesImpact of AgeOther FactorsWays to Shorten It Table of ContentsView All View All Table of Contents What It Means In Males In Females Impact of Age Other Factors Ways to Shorten It The refractory period is more often used to describe the phase following an orgasm in which a male is physiologically unable to achieve anerection(“get hard”) and have another orgasm orejaculation....

Table of ContentsView AllTable of ContentsHeart Structure and Blood FlowAnatomyFunctionClinical Significance Table of ContentsView All View All Table of Contents Heart Structure and Blood Flow Anatomy Function Clinical Significance The rightatriumis one of the heart’s upper chambers that plays a role in blood circulation. It collects deoxygenated blood and directs it on a pathway to get oxygen from the lungs. Problems with the right atrium can occur from birth or due to problems with the heart valves or muscles....

Accidental needlestick injuries—as well as any percutaneous (through the skin) injury that can expose a person to tainted blood or body fluids—have long been a concern to both healthcare workers and the public at large. Occupational accidental needlestick injuries are very common among U.S. healthcare workers, estimated to be over 600,000 annually. Karl Tapales / Getty Images While theperception of risk may be highin cases of occupational accidental needlestick injuries, analyses from the Centers for Disease Control and Prevention (CDC) suggest that the actual risk may be far lower—so low, in fact, that it can now be considered rare....

Table of ContentsView All View All Table of Contents Understanding Risk Risk Factors How to Lower Risk It’s possible to get HIV from oral sex, but it’s not the most likely way to contract the virus.For the most part,oral sex—which includes fellatio (oral-penile), cunnilingus (oral-vaginal), or anilingus (oral-anal)—is not an efficientroute ofHIV (human immunodeficiency virus)transmissioncompared to penetrative intercourse (particularly anal sex). This article will discuss the risk factors for getting HIV from oral sex and ways to lower your risk and protect yourself and your partners....

Table of ContentsView All View All Table of Contents Risk Factors in Women Risk Factors in Men Shared Vulnerabilities Per-Exposure Risk Accidental Exposure Risk Vaginal sex between partners is one of the most common ways a person can acquire HIV. Both women and men can be put at risk when they have vaginal sex without using a condom. This article discusses why vaginal sex presents an HIV risk for both men and women....

Table of ContentsView AllTable of ContentsWhat They AreFunctionsAnti-Prostaglandin DrugsCOX Inhibitor DrugsCOX-2 Inhibitor RisksAnti-Prostaglandin Diet Table of ContentsView All View All Table of Contents What They Are Functions Anti-Prostaglandin Drugs COX Inhibitor Drugs COX-2 Inhibitor Risks Anti-Prostaglandin Diet Prostaglandins are hormones with numerous physiological functions in the body—including pain levels and inflammation. As part of the natural healing process, your body produces prostaglandins at the sites of infection or tissue damage....

Table of ContentsView AllTable of ContentsRecommendationsDosing ScheduleEfficacySide EffectsCost Table of ContentsView All View All Table of Contents Recommendations Dosing Schedule Efficacy Side Effects Cost According to the Centers for Disease Control and Prevention (CDC), a Shingrix vaccination is one of the most effective ways to protect against shingles, as well as a serious complication of shingles calledpostherpetic neuralgia (PHN). Luis Alvarez / Getty Images Who Should Get Shingrix? According to the CDC, Shingrix is advised for adults who:...

Table of ContentsView AllTable of ContentsWhat Makes the Noise?Cardiac CycleLoud S1Soft or Muffled S1TreatmentOther Heart SoundsMonitoring and ManagementWhen to See a Provider Table of ContentsView All View All Table of Contents What Makes the Noise? Cardiac Cycle Loud S1 Soft or Muffled S1 Treatment Other Heart Sounds Monitoring and Management When to See a Provider The first heart sound, or S1, is the “lub” of a normal heartbeat. It’s a high-pitched sound that occurs at the beginning of systole—when the heart pumps blood out of the heart into the lungs or body....

Table of ContentsView AllTable of ContentsWhat Is It Used For?Questions and ScoringInterpreting ResultsAccuracyFrequently Asked Questions Table of ContentsView All View All Table of Contents What Is It Used For? Questions and Scoring Interpreting Results Accuracy Frequently Asked Questions The Snaith-Hamilton Pleasure Scale (SHAPS) is the gold standard for measuringanhedonia, the inability to feel pleasure. Your inability to experience pleasure often manifests as a loss of interest in doing daily activities or hobbies you used to enjoy....

Table of ContentsView AllTable of ContentsSignsIs It Contagious?How Long Does the Stomach Flu Last?TreatmentIn Severe CasesWhen to See a Healthcare ProviderNext in Stomach Flu GuideSigns of Stomach Flu and When to See a Healthcare Provider Table of ContentsView All View All Table of Contents Signs Is It Contagious? How Long Does the Stomach Flu Last? Treatment In Severe Cases When to See a Healthcare Provider Next in Stomach Flu Guide...

Table of ContentsView AllTable of ContentsFunctionAnatomyHow it Works Table of ContentsView All View All Table of Contents Function Anatomy How it Works The sympatheticnervous system(SNS) is responsible forthe body’s stress responseand is activated when you perceive danger.The brain sends messages to the rest of the body to prepare for and respond to danger, initiating a fight, flight, freeze, or fawn stress response. If the SNS is chronically activated, it can impact your health....