New pages

25 October 2026

• 17:3017:30, 25 October 2026 Acute monoarticular arthritis (hist | edit) [841 bytes] Aidan (talk | contribs) (Created page with "==Differential Diagnosis== ===Common Causes=== * Avascular necrosis * Crystal disease, including gout, CPPD, other * Hemarthosis * Septic arthritis * Osteoarthritis * Osteoarthritis * Trauma ===Less Common Causes=== * Inflammatory disorders: ankylosing spondylitis, IBD-associated arthritis, juvenile rheumatoid arthritis, psoriatic arthritis, rheumatoid arthritis, sarcoidosis, lupus, reactive arthritis; rarely Behcet...")

23 October 2026

• 15:4115:41, 23 October 2026 Ceftazidime (hist | edit) [851 bytes] Aidan (talk | contribs) (Created page with "== Background == * Third-generation cephalosporin antibiotic with antipseudomonal activity === Spectrum of Activity === * Gram-negatives, including resistant Gram-negatives such as Pseudomonas aeruginosa * Weaker activity against Gram-positive bacteria than ceftriaxone and cefipime, and usually avoided for Streptococcus pneumoniae == Dosing == * Urinary tract infections ** Uncomplicated: 250 mg IV every 12 h...") Tag: Visual edit

20 October 2026

• 14:0514:05, 20 October 2026 Ribociclib (hist | edit) [801 bytes] Aidan (talk | contribs) (Created page with "* Small molecule inhibitor of cyclin-dependent kinases 4 and 6 (CKD 4/6) * Used in conjunction with an aromatase inhibitor for treatment of HR-positive HER2-negative stage II to III breast cancer * Causes QTc prolongation and may interact with drugs involving the CYP 3A4 pathway * Can cause cytopenias, including anemia, leukopenia, lymphopenia, neutropenia, and thrombocytopenia ** Includes febrile neutropenia, though less often than tradit...") Tag: Visual edit

14 October 2026

• 15:0215:02, 14 October 2026 Necrobiotic xanthogranulomatosis (hist | edit) [1,721 bytes] Aidan (talk | contribs) (Created page with "== Background == * Form of non-Langerhans cell histiocytosis * Associated with paraproteinemia from plasma cell dyscrasia or lymphoproliferative disorder == Clinical Manifestations == * Cutaneous involvement ** Yellow-to-orange papules, plaques or nodules ** Usually periorbital, but can appear elsewhere on the face, as well as extremities and trunk being common ** Can ulcerate ** Can be red or pink, brown, or purple * Can involve eye (most common extracutaneou...") Tag: Visual edit

1 October 2026

• 14:3414:34, 1 October 2026 HP (hist | edit) [110 bytes] Aidan (talk | contribs) (Created page with "May refer to: * Helicobacter pylori * Hypersensitivity pneumonitis Category:Disambiguation pages") Tag: Visual edit

28 September 2026

• 20:4320:43, 28 September 2026 Indwelling pleural catheter infection (hist | edit) [855 bytes] Aidan (talk | contribs) (Created page with "== Background == * Infections complication about about 5% of indwelling pleural catheters (e.g. PleurX catheters) === Microbiology === * Most commonly Staphylococcus aureus, followed by coagulase-negative staphylococci, culture-negative, and a number of other gram-positive and gram-negative organisms == Clinical Manifestations == * Spectrum of infections includes: ** Cellulitis ** Exit site infection ** Tunnel tract infection ** Pleural space infection * The...") Tag: Visual edit
• 20:2320:23, 28 September 2026 Differential time to positivity (hist | edit) [368 bytes] Aidan (talk | contribs) (Created page with "* Laboratory marker to help identify central line infections * Defined as having growth at least 2 hours earlier from a catheter when compared to a paired peripheral blood culture * In one metaanalysis, it has a sensitivity of 81% and specificity of 92%, so better as a rule-in test than a rule-out test[https://doi.org/10.1093/cid/ciad225] Category:Clinical exam") Tag: Visual edit

24 September 2026

• 14:2314:23, 24 September 2026 Coronary arteries (hist | edit) [580 bytes] Aidan (talk | contribs) (Created page with "* Right coronary artery (RCA), supplies right atrium and right ventricle ** Right marginal artery, goes towards the apex ** Posterior descending artery, a distal branch (70% are right dominant, supplied by RCA) * Left main coronary artery (LMCA), with two major branches: ** Left anterior descending artery (LAD), supplies anterior heart *** Has D1 and D2 diagonal branches *** Posterior descending artery (10% are left dominant, supplied by LAD) ** Circumflex artery (Cx), s...") Tag: Visual edit

23 September 2026

• 18:5018:50, 23 September 2026 Neutrophilic dermatosis (hist | edit) [106 bytes] Aidan (talk | contribs) (Created page with "* Includes Sweet syndrome, Behçet disease, and pyoderma gangrenosum Category:Dermatology") Tag: Visual edit
• 13:5613:56, 23 September 2026 Desulfovibrio fairfieldensis (hist | edit) [910 bytes] Aidan (talk | contribs) (Created page with "{{DISPLAYTITLE:''Desulfovibrio fairfieldensis''}} == Background == * Species of Stain::Gram-negative Shape::curved Shape::bacillus within the genus Genus::Desulfovibrio * May be a member of the GI flora == Clinical Manifestations == * Rare case reports of bacteremia associated with GI illness == Management == * Unclear what the best empiric treatment is * Often susceptible to ciprofloxacin and metronidazole; susceptibility to beta lactams less clear...") Tag: Visual edit

22 September 2026

• 14:2614:26, 22 September 2026 Ruxolitinib (hist | edit) [489 bytes] Aidan (talk | contribs) (Created page with "* JAK inhibitor * Indications include myelofibrosis, polycythemia, and steroid-refractory graft-versus-host disease * Adverse effects include ecchymosis, headache, dizziness, abdominal pain, diarrhea, and fatigue, as well as anemia and thrombocytopenia and occasional neutropenia ** May increase risk of herpes zoster infection ** May increase risk of basal cell carcinoma and squamous cell carcinoma Category:Hematology Category:...") Tag: Visual edit

21 September 2026

• 18:0718:07, 21 September 2026 Gallium scintigraphy (hist | edit) [293 bytes] Aidan (talk | contribs) (Created page with "* Nuclear medicine technique * Uses injection of ⁶⁷Ga, most of which is bound to transferrin, but which accumulates at sites of infection * Imaging is usually done 18 to 72 hours after infusion of radiotracer * It is primarily use for spondylodiskitis Category:Diagnostic tests") Tag: Visual edit
• 18:0518:05, 21 September 2026 Bone scintigraphy (hist | edit) [385 bytes] Aidan (talk | contribs) (Created page with "* Nuclear medicine imaging technique * Uses ^99mTc-labeled diphosphonates, which is taken up by new bon formation * Useful in imaging for osteomyelitis, where there would be focal hyperperfusion, focal hyperemia, and focal increased bony uptake * May have false positives due to fracture, orthopedic hardware, and adjacent soft-tissue infection Category:Diagnostic tests") Tag: Visual edit

18 September 2026

• 17:3717:37, 18 September 2026 Myelin oligodendrocyte glycoprotein antibody-associated disease (hist | edit) [189 bytes] Aidan (talk | contribs) (Created page with "* Rare autoimmune disorder * Clinical manifestations can include: ** Transverse myelitis ** Optic neuritis ** Acute disseminated encephalomyelitis (ADEM) Category:Neurology") Tag: Visual edit

14 September 2026

• 12:4712:47, 14 September 2026 CADASIL (hist | edit) [1,261 bytes] Aidan (talk | contribs) (Created page with "== Background == * '''Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy''' * It is a cerebral small vessel disease * Inherited in an autosomal dominant pattern * Caused by a mutation in the NOTCH3 gene == Clinical Manifestations == * Presentation can be variable * Migraine with aura (70% of patients) ** Precedes other symptoms ** Onset around age 30 years * TIA and stroke (85%) ** Most common genetic cause for stroke ** Onset b...") Tag: Visual edit

30 August 2026

• 20:4220:42, 30 August 2026 Lille score (hist | edit) [877 bytes] Aidan (talk | contribs) (Created page with "== Background == * Scoring system for alcoholic hepatitis * Done at day 7 of steroids in order to predict whether there will be any improvement from extending the course further * Available at [https://www.mdcalc.com/calc/2024/lille-model-alcoholic-hepatitis MD Calc] == Calculation == * Components: age, albumin, bilirubin (initial), bilirubin (day 7), creatinine, and PT * Formula ** R = 3.19 – 0.101*(age, years) + 0.147*(albumin day 0, g/L) + 0.0165* (evolution...") Tag: Visual edit

29 August 2026

• 14:3514:35, 29 August 2026 Egophony (hist | edit) [338 bytes] Aidan (talk | contribs) (Created page with "* Physical examination assessment during lung auscultation * Patient speaks a long E ("ee") sound during auscultation, which is heard through the stethoscope as a nasally long A ("ay" ) ** Sometimes described as sounding like the bleating of a goat * When present, it suggests consolidation or pleural effusion Category:Clinical exam") Tag: Visual edit

20 August 2026

• 20:5520:55, 20 August 2026 Checkpoint inhibitor-related immune-mediated encephalitis (hist | edit) [1,873 bytes] Aidan (talk | contribs) (Created page with "== Background == * Causes include nivolumab/ipilimumab, pembrolizumab, atezolizumab, nivolumab/relatlimab == Clinical Manifestations == * Onset variable, days to weeks to months * Symptoms are most frequently cognitive (confusion, agitation, altered mental status, memory impairment) and neuropsychiatric (behaviour changes, hallucinations, emotional lability) * Can have headache, nausea/vomiting, fevers, confusion, gait impairment, dysautonomia,...") Tag: Visual edit
• 20:4120:41, 20 August 2026 Relatlimab (hist | edit) [179 bytes] Aidan (talk | contribs) (Created page with "* Monoclonal antibody that targets LAG-3 * Used in conjunction with nivolumab * Indication is metastatic melanoma Category:Monoclonal antibodies Category:Oncology") Tag: Visual edit

17 August 2026

• 19:5219:52, 17 August 2026 XELOX (hist | edit) [171 bytes] Aidan (talk | contribs) (Created page with "* Also known as CAPOX * Chemotherapeutic regimen combining oral capecitabine and oxaliplatin * Indications include colorectal cancer Category:Chemotherapy") Tag: Visual edit
• 14:3914:39, 17 August 2026 Pott puffy tumour (hist | edit) [1,202 bytes] Aidan (talk | contribs) (Created page with "== Background == * Subperiosteal abscess of the forehead involving frontal bone osteomyelitis * Often a complication of untreated bacterial sinusitis, so quite rare since the advent of antibiotics * Named after Percival Pott, also known for Pott syndrome and Pott fracture === Microbiology === * Half are polymicrobial, including streptococci, oral anaerobes, and staphylococci * Reports of Fusobacterium necrophorum, Haemophilus influenzae, and GI...") Tag: Visual edit

12 August 2026

• 18:4518:45, 12 August 2026 Bacteroides (hist | edit) [530 bytes] Aidan (talk | contribs) (Created page with "{{DISPLAYTITLE:''Bacteroides''}} * Genus of Cellular respiratory::anaerobic Stain::Gram-negative Shape::bacillus * Non-spore-forming * Clinically relevant species include: ** Bacteroides fragilis (most common) ** Bacteroides thetaiotaomicron ** Bacteroides vulgatus ** Bacteroides ovatus ** Bacteroides distasonis ** Bacteroides uniformis ** Many others Category:Gram-negative bacilli Category:Anaerobes") Tag: Visual edit

5 August 2026

• 16:1916:19, 5 August 2026 Morulae in neutrophils (hist | edit) [321 bytes] Aidan (talk | contribs) (Created page with "* Finding on peripheral blood film of basophilic cytoplasmic inclusions that look somewhat like a mulberry * Suggestive of human granulocytotropic anaplasmosis, when they are most commonly seen during the first week of illness * Can also be seen in human monocytotropic ehrlichiosis Category:Diagnostic tests") Tag: Visual edit

3 August 2026

• 16:1116:11, 3 August 2026 Chronic inflammatory demyelinating polyradiculoneuropathy (hist | edit) [1,701 bytes] Aidan (talk | contribs) (Created page with "== Background == * Rare immune-mediated demyelinating polyneuropathy == Clinical Manifestations == * Progressive or relapsing symmetric muscle weakness ** Can be proximal or distal, upper or lower extremities ** At least 8 weeks ** Absent or decreased deep tendon reflexes * Variants: ** Distal CIDP: distal sensory loss and muscle weakness predominantly in lower limbs ** Multifocal CIDP: sensory loss and muscle weakness in a multifocal pattern, usually asymmetric, uppe...") Tag: Visual edit originally created as "Chronic inflammatory demyelinating polyradiculoneuropaty"