A-HeFT
Study
AATAC
Abdominal aortic aneurysm
Disease
Abdominal distension
Finding
Abdominal vascular injury
ABYSS
Accidental hypothermia
ACCOMPLISH
ACCORD BP
ACCORD Lipid
ACE-PROTAVI
ACES
Acetaminophen overdose
Acetylcysteine
Drug
ACORN
ACT
ACTIV-3-TICO
ACTIV-4A (P2Y12 inhibitor plus heparin)
ACTIV-4a (SGLT2 inhibitors)
ACTIV-4C
ACTIV-6 (fluvoxamine)
ACTIV-6 (ivermectin)
ACTIV-6 (montelukast)
ACTIVE A
ACTIVE W
ACTT-1
ACTT-4
Acute altitude illness
Acute appendicitis
Acute back pain
Acute cholangitis
Acute cholecystitis
Acute cholecystitis — Diagnosis and management
Pathway
Acute colonic pseudo-obstruction
Acute compartment syndrome
Acute diverticulitis
Acute diverticulitis — Counseling and follow-up
Acute diverticulitis — Diagnosis and management
Acute fatty liver of pregnancy
Acute interstitial nephritis
Acute ischemic stroke
Acute kidney injury
Acute limb ischemia
Acute liver failure
Acute mesenteric ischemia
Acute pain
Acute pancreatitis
Acute pericarditis
Acute pyelonephritis
Acute urticaria
ADAPT-PO
ADAPT-TAVR
ADH-Wizard
ADMINISTER
Adnexal torsion
ADVOR
AECOPD
AF-CHF
AFFINITY
AFFIRM
AGENT IDE
AHA STEROID
AIRFLO
AIRTRIP
AIRWAY-2
AKIKI
Albumin for CSA-AKI
Albumin for SBP
Albuterol
Alcohol withdrawal syndrome
ALLEVIATE
ALLHAT (angiotensin-converting enzyme inhibitor)
ALLHAT (calcium channel blocker)
ALLIUM
Altshock-2
AMETIS
Amiodarone
AMPLIFY (apixaban)
AMPLIFY-EXT (apixaban 2.5 mg)
AMPLIFY-EXT (apixaban 5 mg)
Amylase, increased
Anaphylaxis
Andexanet alfa
ANGEL-ASPECT
Angioedema
Animal bites
Anisocoria
Ankle fracture
Ankle sprain
ANNEXA-I
Anorectal abscess
Anorectal varices
Anterior cruciate ligament injury
ANTHARTIC
Antimicrobial prophylaxis in pancreatoduodenectomy
Aortic intramural hematoma
Aortic stenosis
APEX
APPIC
ARAIS
ARAMIS
ARBs CORONA II
ARCADIA (original research)
ARCADIA (post-hoc analysis)
ARCADIA-MRI
ARIES-HM3 (original research)
ARIES-HM3 (secondary analysis)
ARISTOTLE
ARREST
ARRIVE (aspirin)
ARTESIA
ASPIRE
Aspirin overdose
ASPRE
ASPREE
ASPREE (secondary analysis)
ASTRAL
ATACH II
ATAMIS
ATLAS ACS 2-TIMI 51 (rivaroxaban 10 mg)
ATLAS ACS 2-TIMI 51 (rivaroxaban 5 mg)
ATN
Atrial fibrillation
ATTENTION-IA
ATTKPATRASCOVID19
ATTR-ACT
ATTRACT
ATTRibute-CM
AUGUSTUS (anticoagulation regimen)
AUGUSTUS (antiplatelet regimen)
AURORA (rosuvastatin)
AVATAR
AVB-TIPS
AVERROES
AVERT
AVERT Shock
AVOID
AWARE
AZALEA-TIMI 71 (high-dose abelacimab)
AZALEA-TIMI 71 (low-dose abelacimab)