JT-CR-152 · Children and adolescent health
Series
Polyuria and Weight Loss in an Adolescent
An urgent recognition case for new type 1 diabetes before ketoacidosis, including metabolic assessment and safe handoff.
Daily clinical reasoning series
March 2026
31 case-based clinical reasoning analyses assigned to the daily casebook sequence for March 2026.
Case-series dates · March 1, 2026 to March 31, 2026
JT-CR-153 · Brain and neurologic health
Series
Easy Bruising and Proximal Weakness With Steroid Exposure
A medication-first analysis of Cushing features, exogenous exposure, endogenous testing pitfalls, and adrenal-suppression safety.
JT-CR-154 · Cancer, blood, infection, and immunity
Series
Cough, Fever, and Weight Loss With TB Exposure
A tuberculosis case integrating airborne precautions, microbiology, false-negative interpretation, treatment, and public-health action.
JT-CR-155 · Men's health and urology
Series
Progressive Weakness With Hyperreflexia and Focal Atrophy
A localization-first case distinguishing motor neuron disease from cervical myelopathy and reversible metabolic or inflammatory mimics.
JT-CR-156 · Reproductive and postpartum care
Series
Severe Dysmenorrhea, Pelvic Pain, and Infertility
An endometriosis case balancing symptom-led care, structural mimics, fertility priorities, imaging limits, and laparoscopy.
JT-CR-157 · Cancer, blood, infection, and immunity
Series
A Swollen Finger After a Bite Injury
A hand-infection case on flexor tenosynovitis, deep-space spread, foreign body, antibiotics, and timely surgical review.
JT-CR-158 · Mental, behavioral, and substance-use health
Series
Nightmares, Hypervigilance, and Substance Coping
A trauma-informed PTSD case integrating suicide and withdrawal assessment with evidence-based psychological and substance care.
JT-CR-159 · Musculoskeletal, sports, and rehabilitation
Series
Hematuria, Kidney Injury, and Pulmonary Symptoms
A pulmonary-renal emergency case spanning ANCA vasculitis, anti-GBM disease, infection, serology limits, and urgent biopsy.
JT-CR-160 · Kidney, electrolytes, and digestive health
Series
Chronic Reflux Symptoms With New Dysphagia
An alarm-symptom case separating reflux complications from malignancy, eosinophilic disease, and motility disorders.
JT-CR-161 · Cancer, blood, infection, and immunity
Series
Rapidly Spreading Purpura With Fever
A meningococcemia emergency case integrating sepsis care, DIC, vasculitis mimics, isolation, prophylaxis, and public health.
JT-CR-162 · Men's health and urology
Series
Apparent Cognitive Decline With Untreated Hearing Loss
A cognition case showing how sensory access, depression, medicines, function, and valid testing prevent diagnostic misclassification.
JT-CR-163 · Men's health and urology
Series
Macrocytosis and Progressive Neuropathy With Gait Imbalance
A sequence-sensitive case on vitamin B12 deficiency, folate, alcohol, liver and thyroid disease, medicines, and marrow disorders.
JT-CR-164 · Cancer, blood, infection, and immunity
Series
Pneumonia That Does Not Resolve as Expected
A reassessment case for nonresolving pneumonia, obstruction, resistance, aspiration, organizing disease, and follow-up imaging.
JT-CR-165 · Heart and vascular care
Series
A Wearable Device Reports Possible Atrial Fibrillation
A signal-verification case on wearable irregular-rhythm alerts, pretest probability, ECG confirmation, and safe next steps.
JT-CR-166 · Lung and sleep health
Series
Severe Adult Asthma With a Quiet Chest
A life-threatening asthma case on quiet-chest recognition, repeated reassessment, ventilatory failure, and escalation.
JT-CR-167 · Heart and vascular care
Series
Sudden Leg Pain, Pallor, and Loss of Pulses
An acute limb ischemia case on bedside staging, embolic versus thrombotic mechanisms, immediate anticoagulation, and revascularization.
JT-CR-168 · Eye, skin, and digital safety
Series
Chronic Generalized Pruritus Without a Primary Rash
A symptom-led pruritus case spanning liver, kidney, hematologic, endocrine, medicine, neuropathic, and occult skin causes.
JT-CR-169 · Children and adolescent health
Series
Persistent Fever, Rash, and Red Eyes in a Child
A pediatric vasculitis case on Kawasaki recognition, viral and MIS-C mimics, inflammatory markers, echocardiography, and timing.
JT-CR-170 · Reproductive and postpartum care
Series
Abnormal Thyroid Tests During Pregnancy
A pregnancy-specific thyroid case on trimester ranges, assay limits, overt disease, fetal effects, and coordinated treatment.
JT-CR-171 · Eye, skin, and digital safety
Series
Recurrent Painful Skin Abscesses in Intertriginous Areas
A recurrence-focused abscess case spanning drainage, culture, MRSA, hidradenitis, diabetes, household factors, and decolonization.
JT-CR-172 · Men's health and urology
Series
Brief Recurrent Episodes of Déjà Vu and Confusion
A focal-seizure case distinguishing panic, syncope, sleep, and metabolic mimics while using EEG and MRI appropriately.
JT-CR-173 · Emergency and acute care
Series
Infertility Evaluation That Includes Both Partners
A parallel infertility evaluation covering ovulation, reserve, tubal anatomy, semen analysis, and shared reproductive decisions.
JT-CR-174 · Musculoskeletal, sports, and rehabilitation
Series
Inflammatory Back Pain in a Young Adult
A diagnostic case on axial spondyloarthritis, mechanical mimics, imaging interpretation, extra-articular disease, and referral.
JT-CR-175 · Children and adolescent health
Series
Severe Agitation and Delusions Soon After Delivery
A postpartum psychosis emergency case integrating bipolar risk, medical mimics, suicide, infant safety, and family-centered care.
JT-CR-176 · Kidney, electrolytes, and digestive health
Series
Flash Pulmonary Edema and Difficult-to-Control Hypertension
A renovascular case on recurrent pulmonary edema, bilateral renal-artery disease, testing, medication hazards, and revascularization.
JT-CR-177 · Kidney, electrolytes, and digestive health
Series
New Ascites in Cirrhosis With Mild Confusion
A decompensated-cirrhosis case on immediate paracentesis, SBP, portal causes, kidney risk, and transplant referral.
JT-CR-178 · Eye, skin, and digital safety
Series
Facial Pain, Ophthalmoplegia, and Diabetes
An invasive fungal sinusitis emergency case on orbital signs, tissue diagnosis, metabolic reversal, and surgical source control.
JT-CR-179 · Aging and palliative care
Series
Bruising, Fear, and Financial Control in an Older Adult
An elder-mistreatment case on private assessment, injury, capacity, reporting duties, financial exploitation, and safety planning.
JT-CR-180 · Cancer, blood, infection, and immunity
Series
Cancer-Associated Thrombosis With Thrombocytopenia
A dynamic clot-versus-bleeding case on cancer-associated VTE, platelet trends, treatment intensity, and repeated reassessment.
JT-CR-181 · Lung and sleep health
Series
Wheeze That Improves Away From Work
An occupational-asthma case on exposure chronology, serial peak flow, objective testing, and worker-protective action.
JT-CR-182 · Medicines and care safety
Series
A Wrong-Patient Order Caught Before Administration
A patient-safety case on identity design, interruption recovery, near-miss disclosure, reporting, and systems analysis.