Asidi ya Hydrofluorique, Igikuraho Umugese, n’Ibiturika vy’Imiti y’Inganda¶

Unlike thermal fire burns that stop cooking tissue the moment the flame is extinguished, chemical burns from hydrofluoric acid (\(HF\)), strong alkalis (sodium hydroxide lye, drain openers, oven cleaners, wet Portland cement, anhydrous ammonia), concentrated mineral acids (sulfuric, nitric, hydrochloric), and white phosphorus continue burrowing through human skin, fat, tendons, and bone for hours until every trace of the chemical is flushed away or neutralized. Most dangerous of all is Hydrofluoric Acid (\(HF\)): found not only in semiconductor and glass-etching factories, but also in household rust stain removers, aluminum/chrome wheel cleaners, and masonry brighteners: which passes painlessly through intact skin to strip calcium and magnesium out of the bloodstream, triggering sudden fatal ventricular fibrillation cardiac arrest from a burn no bigger than the palm of your hand.

This guide provides step-by-step field decontamination and clinical antidotal protocols aligned with directives from the World Health Organization (WHO), the United States Centers for Disease Control and Prevention (CDC / NIOSH), the Agency for Toxic Substances and Disease Registry (ATSDR), the American Burn Association (ABA), and the UK National Poisons Information Service (NPIS). Stripping contaminated clothing, brushing off dry powders before adding water, flushing with running water for 15 to 60 minutes, and massaging 2.5 percent calcium gluconate gel onto hydrofluoric acid burns saves limbs and lives.

Ivyo ubikore ubu¶

If you or someone nearby has splashed, spilled, or knelt in hydrofluoric acid, rust stain remover, wheel cleaner, drain opener, wet cement, lime, or any industrial acid or alkali:

1. Put on chemical-resistant gloves and strip off all contaminated clothing and jewelry immediately: Never touch chemical-soaked clothing or skin with bare hands (use nitrile, butyl, or neoprene gloves). Use shears to cut away all wet clothing, socks, shoes, rings, and watchbands within 60 seconds, as trapped chemicals inside fabric or under rings cause deep circumferential full-thickness burns.
2. Check the "Dry Powder First Rule" BEFORE turning on the water: If the skin is covered in a DRY chemical powder: such as dry quicklime (calcium oxide / \(CaO\)), dry Portland cement dust, dry sodium hydroxide lye flakes, elemental metals (sodium, potassium, lithium), or white phosphorus: BRUSH the dry powder off gently with a dry cloth or brush BEFORE applying water. Adding a trickle of water directly onto dry quicklime or dry lye crystals triggers a violent exothermic heat reaction that thermally cooks the skin on top of the chemical burn.
3. Flush with high-volume running water immediately: Once dry powder is brushed off (or immediately if the splash was a liquid):
4. For Hydrofluoric Acid (\(HF\)), Rust Remover, or Wheel Cleaner: Flush under a strong stream of cool running tap water (or Hexafluorine solution if available at an industrial site) for 15 to 30 minutes (or for 5 minutes if 2.5% Calcium Gluconate Gel is immediately on hand so you can start calcium binding right away).
5. For Strong Alkalis (Lye, Drain Opener, Wet Cement, Ammonia): Flush continuously under running tap water for 30 to 60 full minutes (alkalis dissolve tissue fats into soap and penetrate far deeper than acids).
6. For Chemical Eye Splashes: Flush the open eye under a gentle stream of running water or sterile saline for at least 30 to 60 minutes continuously (see ibikomere vy'amaso).
7. Apply 2.5% Calcium Gluconate Gel immediately to any Hydrofluoric Acid (\(HF\)) or Rust Remover burn: Wearing nitrile gloves (so you do not absorb fluoride into your own fingers), massage 2.5 percent Calcium Gluconate Gel generously into the burned skin continuously for 30 to 45 minutes, reapplying every 15 minutes until the deep throbbing bone pain stops. If you do not have commercial Calcium Gluconate Gel at home: crush 10 tablets of regular Calcium Carbonate antacid (such as Tums) into a fine powder and mix with 30 milliliters (1 ounce / 2 tablespoons) of water-soluble K-Y jelly or aloe vera gel to make an emergency calcium paste, and rub it into the burn while paramedics are on the way.
8. NEVER attempt to "neutralize" an acid burn with baking soda or an alkali burn with vinegar: Pouring vinegar onto a lye burn or baking soda onto a sulfuric/hydrochloric acid burn triggers an intense exothermic acid-base heat reaction right on the raw flesh, superimposing a severe thermal burn on top of the chemical injury. (Calcium gluconate on Hydrofluoric Acid is NOT an acid-base neutralization: it is a non-thermal ionic calcium-fluoride binding reaction and is the ONLY exception).
9. Call 911 / 112 / 999 immediately for Hydrofluoric Acid, Eye Burns, or Deep Alkali Burns: Call your local emergency number via our inomero z'ivyihutirwa directory. Every single Hydrofluoric Acid (\(HF\)) exposure requires hospital emergency department evaluation and continuous ECG cardiac monitoring, even if the skin looks completely normal and does not hurt yet, because dilute \(HF\) (< 20%) takes 6 to 24 hours to start hurting while silently dropping blood calcium to lethal levels.

Emergency chemical burn triage and neutralization flowchart¶

flowchart TD
    Start["Chemical Splash or Burn on Skin or Eyes"] --> PPE["Put on Nitrile/Neoprene Gloves<br/>Cut off all contaminated clothing, shoes, and rings within 60 seconds"]

    PPE --> FormCheck{"What type of chemical caused the exposure?"}

    FormCheck -->|Dry Powder: Quicklime (CaO), Dry Lye Flakes, Dry Cement,<br/>Elemental Sodium/Potassium, or White Phosphorus| DryRule["DRY POWDER RULE: Brush off all dry powder FIRST<br/>For Sodium/Potassium: Cover with mineral oil (NEVER water)<br/>For Quicklime/Dry Lye: After brushing clean, flush with high-volume water 30-60 min"]

    FormCheck -->|Hydrofluoric Acid (HF), Household Rust Stain Remover,<br/>Aluminum Brightener, Chrome Wheel Cleaner, Glass Etcher| HFRule["HYDROFLUORIC ACID (HF) PROTOCOL: CALL 911 / 112 / 999<br/>1. Flush with running tap water (or Hexafluorine) for 5-15 minutes<br/>2. Massage 2.5% Calcium Gluconate Gel (or crushed Tums + water gel) with gloved hand<br/>3. Hospital ECG monitoring + Subcutaneous/Intra-arterial Calcium Gluconate<br/>+ IV Calcium Gluconate & Magnesium Sulfate for systemic toxicity"]

    FormCheck -->|Phenol (Carbolic Acid / Creosote)| Phenol["PHENOL PROTOCOL (Poorly soluble in water alone)<br/>Wipe skin repeatedly with Polyethylene Glycol (PEG 300/400)<br/>or Isopropyl Alcohol / Vegetable Oil, alternating with high-volume water shower"]

    FormCheck -->|Strong Alkali: Drain Opener (NaOH/KOH), Wet Concrete,<br/>Oven Cleaner, Ammonia, Bleach| Alkali["LIQUEFACTIVE NECROSIS PROTOCOL<br/>Flush continuously under running tap water for 30 to 60 FULL MINUTES<br/>NEVER apply vinegar or acid; check pH of skin/eye until neutral (7.0-7.5)"]

    FormCheck -->|Strong Mineral Acid: Sulfuric (Battery Acid),<br/>Hydrochloric (Muriatic), Nitric Acid| Acid["COAGULATIVE NECROSIS PROTOCOL<br/>Flush continuously under running tap water for 15 to 30 FULL MINUTES<br/>NEVER apply baking soda; cover loosely with sterile wet gauze"]

Pathophysiology: Coagulative (Acids) vs. Liquefactive (Alkalis) vs. Fluoride Scavenging (\(HF\))¶

Why does a splash of alkaline drain cleaner or wet concrete cause a much deeper, more destructive burn than a splash of battery acid of the same strength, and why does hydrofluoric acid behave differently from both?

1. Strong Acids (\(\text{pH} < 2\)): Coagulative Necrosis (Self-Limiting Crust)¶

When concentrated sulfuric acid (car battery acid / industrial drain cleaner), hydrochloric acid (muriatic pool/masonry acid), nitric acid, or trichloroacetic acid hits human skin, hydrogen ions (\(H^+\)) instantly denature and precipitate surface tissue proteins into a tough, leathery, impermeable crust called an eschar (coagulative necrosis):

• Because this coagulated protein crust acts as a physical barrier, most strong mineral acids limit their own deep penetration once the surface layer is burned (provided the acid is flushed off with water within the first few minutes).
• Ibimenyetso vy’amabara ku rukoba: Aside nitrique ihindura urukoba rwaturitse umuhondo ukeye gushika ku muhondo w’umuhondo, aside sulfurique ihindura urukoba umuhondo mwiza gushika ku mwirabura, aside hydrochlorique ihindura urukoba umweru gushika ku mvi-muhondo.

2. Ivyuma bikomeye vy’amazi (\(\text{pH} > 11.5\text{ gushika }12\)): Necrose y’amazi (Ugucukura bikomeye bitagira aho bigarukira)¶

When sodium hydroxide (\(\text{NaOH}\) / lye), potassium hydroxide (\(\text{KOH}\)), calcium hydroxide (wet Portland cement or mortar), anhydrous ammonia, or industrial oven/drain cleaners touch human skin or the cornea of the eye, hydroxide ions (\(OH^-\)) do not form a protective crust. Instead, they cause liquefactive necrosis:

• Guhindura ibinure vy’umuntu bibe isabune: Alkali ikorana n’ibinure biri mu ngingo z’umubiri w’umuntu be n’ibinure biri munsi y’urukoba, mu buryo nyabwo ihindura utugingo ngengabuzima twawe ubwawe tukaba isabune y’amazi (guhindura isabune) mu gihe ihindura poroteyine za kolajeni zikaba poroteyine ziyoroshe kandi zifise gelatine.
• Ukwinjira kure cane bidashobora guhagarara: Kubera ko amazi, umubiri w’isabune utanga inzitizi y’umubiri, iyo alkali irabandanya kwinjira ibwina cane biciye mu ruhu, ibinure, imitsi, no gushika iburyo biciye mu nzira y’ijisho ikaja mu cumba c’imbere mu masaha menshi gushika **iminota 30 gushika kuri 60 y’amazi ikomeza kuva mu nyama z’umubiri zihindutse amazi.

3. Hydrofluoric Acid (\(HF\)): The Double-Action Ion Trap and Deep Bone Pain¶

Asidi y’amazi (\(HF\)) ni ubumara budasanzwe buhenda bufise inzira zibiri:

• Why dilute \(HF\) (< 20%) doesn't hurt at first: In household rust stain removers (which contain 6% to 12% \(HF\) or ammonium bifluoride), aluminum/chrome wheel cleaners, and brick/masonry cleaners, the hydrogen ion (\(H^+\)) concentration is too weak to burn the surface skin nerves immediately. A person gets rust remover on their fingers or under their fingernails, feels zero pain and sees zero redness, and keeps working for hours.
• Deep fluoride nerve and bone destruction: Meanwhile, uncharged \(HF\) molecules diffuse straight through the intact epidermis into the deep dermis, digital nerve sheaths, and finger bone (phalangeal periosteum), where they dissociate and release free fluoride ions (\(F^-\)). Fluoride strips all calcium out of the cell membranes, forcing voltage-gated potassium channels open and dumping massive amounts of intracellular potassium (\(K^+\)) directly onto bare sensory nerve endings.
• Agonizing "Throbbing Bone Pain" out of proportion to the exam: Suddenly, 6 to 24 hours after a dilute \(< 20\%\) exposure (or within 1 to 8 hours for a 20% to 50% exposure, and immediately for \(> 50\%\) industrial \(HF\)), the victim develops excruciating, relentless, deep throbbing pain that feels like their finger bones are being crushed in a vise, even before white/gray blisters or blue-black necrotic patches appear on the surface. Standard morphine or fentanyl opioids barely touch this pain: only replacing the stolen calcium with Calcium Gluconate stops the nerve depolarization and relieves the pain.

Master comparison of High-Risk Chemical Burns and Specific Decontamination¶

Deep dive 1: Complete Hydrofluoric Acid (\(HF\)) Rescue Protocol (Home to ICU)¶

Because household rust stain removers (sold in small plastic squeeze bottles in supermarket laundry aisles at 6% to 12% Hydrofluoric Acid) and automotive aluminum/magnesium wheel cleaners rarely print "HYDROFLUORIC ACID" in giant letters on the front label, thousands of homeowners and detailers suffer severe finger and hand burns every year without realizing they have touched one of the most dangerous chemicals on earth.

Step 1: Immediate Homemade Calcium Gluconate Gel Recipe¶

Every workplace that uses \(HF\) is required to keep unexpired tubes of 2.5 percent Calcium Gluconate Gel next to the sink. If a rust-remover or wheel-cleaner exposure happens at home where commercial calcium gluconate gel is unavailable:

1. Flush under cool running tap water for 5 to 15 minutes while a family member calls 911 / 112 / 999 and Poison Control (1-800-222-1222 in the US).
2. Mix an emergency Calcium Carbonate Slurry/Gel in 60 seconds:
3. Take 10 regular-strength (500 mg to 1,000 mg) Calcium Carbonate antacid tablets (such as Tums or Rolaids).
4. Crush them between two spoons or inside a clean plastic bag with a rolling pin into a fine powder.
5. Mix the powder thoroughly with 30 milliliters (2 tablespoons / 1 ounce) of a water-soluble gel (such as K-Y Jelly, plain water-based aloe vera gel, or 1 to 2 tablespoons of tap water) to create a thick paste. (Never use petroleum jelly / Vaseline, because oil-based ointments trap fluoride ions and block water-soluble calcium ions from entering the skin).
6. Use the "Nitrile Glove Poultice" technique for finger and hand burns:
7. Put a nitrile glove on your own hand and massage the calcium gel into the burned area continuously.
8. Iyo intoke canke ukuboko kw’uwakozweko icaha kwaturitse, uzuze igitambaro c’amaboko c’agaciro kanini cane c’ibara ry’agahama n’igikombe c’ubuntu c’i Calcium Gluconate Gel (canke gel yawe ya Tums yajanjaguwe) hanyuma ushire ukuboko kw’uwo muntu kwaturitse imbere muri ico gitambaro c’amaboko cuzuye gel. Ivyo bituma milimetero kare yose y’intoke iguma yogejwe mu ma ions ya calcium mu gihe umuntu ariko aratwara imodoka itwara abarwayi aja mu bitaro.

Intambwe ya 2: Kubera iki gukuraho urutoke no gutera umuti witwa calcium mu mitsi bikoreshwa mu bitaro¶

Iyo umurwayi afise ukuboko kwaturitse kubera aside hydrofluorique ashitse mu bitaro vy’ibiza:

• Ububabare ni co gipimo c’ubuvuzi: Bitandukanye n’ibindi biturika vyose, ububabare mu guturika kwa \(HF\) bubwira umuganga ataco yishimikije nimba ions za fluoride z’ubuntu zikiriko zirasambura utugingo ngengabuzima. Ku bw’ivyo, abaganga baririnda gutanga imitsi y’aho hantu yitwa lidocaine mu ntango kubera ko gutera urutoke ububabare bipfuka nimba iyo miti ya calcium yashoboye gukuraho fluoride yose.
• Umutego wo munsi y’ururimi (Munsi y’urutoke): Ivyo bita fluoride bica binyerera bitagoranye munsi y’urubibi rw’urutoke rw’ubuntu mu gitanda c’urutoke gifise ubutunzi, aho umuti witwa calcium gel wo ku ruhu udashobora kwinjira mu gipande c’urutoke gikomeye c’inzara. Iyo umurwayi afise ububabare bukomeye butera munsi y’inzara amaze gukoresha umuti wo gukuraho umugese ata maganzu, abaganga b’ibihe vyihutirwa barakora igikorwa co gukuraho umugese (bamaze kwemeza aho ari) maze trephine, bagacapura, canke bagakuraho igipande c’inzara kugira ngo calcium gluconate ishobore gushika ku gitanda c’inzara ataco ihinduye, bagakiza phalanx igufa.
• Ukwinjira mu ruhu no gutera calcium mu mitsi: Iyo umuti w’i calcium udahagarika ububabare butera mu minota 30 gushika kuri 60, abaganga barashobora kwinjira 5% gushika ku 10% y’umuti w’i Calcium Gluconate udashobora gutera inda munsi y’urukoba ( 0.5 mL per square centimeter ku ntoke kugira ngo ntihagire indwara y’ibice; ntiwigere ukoresha umuti witwa Calcium Chloride munsi y’urukoba, kuko umuti witwa Calcium Chloride utera ububabare bukomeye bw’imitsi), canke ushire umutsi w’amaraso mu mutsi w’imbere canke w’amaboko wo ku kiganza/ukuboko hanyuma ushiremwo umuti w’amaraso Calcium Gluconate (10 ca%l ya gluconate over400). Amasaha 4) ataco bimaze mu mitsi igaburira intoke.
• Guhumeka canke gufata \(HF\): Iyo umuntu ahumetse umwotsi wa \(HF\), abaganga b’ibihe vyihutirwa bamuha **umuti w’amazi 2,5% gushika kuri 3% (1,5 mL ya Calcium Gluconate 10% ushizwe mu 4,5 mL y’umunyu w’amazi)C biciye mu gipfukisho c’umunyu Gluconate na Sulfate ya Magnésium kugira ngo umutima ukingirwe.

Deep dive 2: "Uguturika gupfukama mu gacerere" kwa Beton n'Ivu ry'Itose¶

Buri mpera y’umusi, bene inzu bikorera ubwabo n’abakozi bashasha bo mu nzu y’amabuye basuka ibaraza ry’amabuye, inzira y’imodoka, canke hasi mu nzu yo munsi y’ubutaka maze bakamara amasaha 2 gushika kuri 4 banyoza beton itose mu gihe bapfukamye mu mpuzu za jeans zisanzwe canke bambara **inkweto z’urukoba zikoreshwamwo beton itose ifise sp.

Kubera iki utumva beton itose ipfutse amavi yawe gushika igihe c'ifunguro rya nijoro¶

Simenti yumye ya Portland irimwo 60 kw’ijana kugeza kuri 65 kw’ijana vy’ivyuma vyitwa Calcium Oxide (quicklime). Igihe amazi avunganywa kugira ngo akore beton canke ivu ry’amazi, iyo oxide ya calcium ihinduka Hydroxide de calcium (\(\text{Ca(OH)}_2\)) yuzuye ifise **pH y’amazi y’umunyu y’umukara cane pH ya 12,5 gushika kuri 14,0: hafi nk’umunyu w’amazi

1. Kubera iki bitababaza mu masaha 2 canke 4 ya mbere: Bitandukanye n’uguturika kw’ubushuhe canke aside ya bateri, calcium hydroxide yinjira buhoro buhoro mu mpuzu ya denim itose maze mu ntango yononekaza intsinga z’ububabare zo ku ruhu mu gihe ihindura amavuta y’urukoba nk’isabune, igatuma urukoba rugira ububabare buteye ubwoba aho gutera ububabare buteye ubwoba.
2. Igikomere c’inzira zitatu: Beton itose ifunzwe imbere mu mpuzu za jeans canke mu nkweto zitera ibikomere bitatu icarimwe: (a) Igikomere c’amazi ku pH 13, (b) Igikomere c’umusenyi gikoreshwa n’amaboko uko umukozi ahindura amavi canke agendagenda mu nkweto yiwe, © Ukwuma kw’amazi nk’uko simenti yumutse ikura amazi mu ngingo z’umuntu.
3. Ukwirinda n'ubutabazi bwa mbere:
4. Ntukigere upfukama muri beton itose ata bipfukisho vy’amavi vy’imipira bitagira amazi n’ibirato vy’imipira bitagira amazi bifatanye hejuru.
5. Iyo simenti itose ikoze ku rukoba rwawe canke ikanyura mu mpuzu yawe, uhagarike ubwo nyene, ukureho ipantaro/amasoseti atose, hanyuma woze urukoba n’isabune n’amazi atemba iminota 30 yuzuye. Hariho n’imirongo ngenderwako y’uguturika yo mu kazi ikoresha kandi gusukura gatoyi n’inkarisha yo mu nzu inkarisha (5% aside acétique) canke diphoterine pH-buffered inyuma gusa y’aho* umunyu wose wa simenti wozwe neza n’amazi, kugira ngo ukureho amasigarira y’ubumara bw’amazi ashinze imizi mu rukoba.
6. Niba amaguru yawe canke amavi yawe asa ibara ry’umuyugubwe ryirabura, ry’ubururu-ry’umwirabura, ryera/ry’urukoba, canke ry’ibivyimba uwo mugoroba umaze gukorana na beton, genda mu bitaro vy’uguturika ubwo nyene: ibiturika vya beton hafi vyose biba ari vyinshi cane ibiturika vy’umubiri vy’uburemere bushitse (vy’urugero rwa gatatu) bisaba gukoreshwa imiti kandi bisaba gukoreshwa imiti.

Deep dive 3: Gutera imiti mu maso: Itegeko ryo gufumbira iminota 30 gushika kuri 60¶

Gutera umuti wo gusukura amazi, wo gusukura ifuru, amoniya, lime, simenti itose, umuti wo gusukura, canke aside ya bateri mu jisho ni ivyihutirwa vy’ukuri vy’amaso aho ivyo ukora mu masegonda 10 ya mbere ari vyo bigena nimba uwo muntu azoba impumyi ubuzima bwiwe bwose (raba ikiganiro cacu c’ivyacu Uburongozi bw'ibikomere vy'amaso kugira ngo ubone amakuru yose).

• Tangura gukaraba n’amazi mu masegonda 10: NTUTEGEREZE kubanza kuja mu bitaro: Igipfunsi c’amazi (lye, amonia, lime, drain opener) cinjira rwose biciye mu nzira y’ijisho y’umuntu kikaja mu cumba c’imbere c’ijisho mu **masegonda atarenga 15 gushika kuri 60 kigaca gitera amazi, kigasenya stembalma cell, limbalma guhuma ijisho imbere y’uko imodoka itwara abarwayi ishobora gushika.
• Uko wovomera ijisho muhira canke kukazi:
• Uce ukuraho ama lens ubwo nyene uko utangura gukaraba (ama lens afata aside canke alkali yihariye ku ruhu rw’amaso).
• Hold the eyelids wide open with your fingers (because severe pain triggers involuntary blepharospasm that clamps the eyelids shut) and direct a gentle, continuous stream of lukewarm tap water, bottled water, or sterile normal saline from the inner corner of the eye (next to the bridge of the nose) outward so contaminated water does not wash into the uninjured eye.
• Flush for a minimum of 30 to 60 continuous minutes for any alkali, cement, lime, or hydrofluoric acid splash (and at least 15 to 30 minutes for acids/bleach).
• Check beneath the upper and lower eyelids (fornices) for trapped lime or cement grit: In plaster, mortar, or dry lime splashes, tiny white chunks of calcium hydroxide lodge deep under the upper eyelid and continue dissolving the eye even after 30 minutes of flushing until a physician flips (everts) the upper eyelid and sweeps the fornices clean with a moistened cotton swab while checking the tear film pH with litmus paper until it stays neutral at pH 7.0 to 7.4.

Ibibazo bikunda kubazwa¶

This guide is for informational purposes and does not replace professional medical evaluation or hands-on training. Because severe chemical burns and hydrofluoric acid exposures can trigger sudden cardiac arrhythmias, we strongly recommend taking an accredited first aid and CPR course through the International Federation of Red Cross and Red Crescent Societies (IFRC), your national Red Cross society, St John Ambulance, or a certified local training provider.

Amasoko yasuzumwe¶

• Agency for Toxic Substances and Disease Registry (ATSDR, United States) & Centers for Disease Control and Prevention (CDC): Medical Management Guidelines for Hydrogen Fluoride / Hydrofluoric Acid (\(HF\)) and Calcium Gluconate Gel / Infiltration Protocols.
• National Institute for Occupational Safety and Health (NIOSH, United States): NIOSH Pocket Guide to Chemical Hazards (Hydrogen Fluoride, Sodium Hydroxide, Calcium Oxide, Portland Cement, Phenol, and White Phosphorus).
• American Burn Association (ABA, United States): Advanced Burn Life Support (ABLS) Provider Manual: Chemical Burns and Specific Agent Management.
• World Health Organization (WHO): International Programme on Chemical Safety: Management of Chemical Burns and Hydrofluoric Acid Poisoning.
• National Poisons Information Service (NPIS, United Kingdom) & UK Health Security Agency (UKHSA): TOXBASE Clinical Management of Hydrofluoric Acid, Alkalis, and Corrosive Dermal/Ocular Exposures.

Inyobora zifitaniye isano¶

• Severe burns and chemical skin flushing
• Burns, scalds, and thermal burn first aid
• Eye injuries and chemical eye irrigation
• Ubumara bw'ubutabazi bwa mbere n'ubumara bwo gucungera
• CPR n'uguhema kw'abakuze
• Inomero z'ivyihutirwa hakurikijwe igihugu