11 results
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Workup Algorithm ... electrolytes, urea ... osmolarity If cause ... clinical context and signs ... renal biopsy • Abdominal
Causes of Localized Lymphadenopathy - Differential Diagnosis Algorithm
Cervical:
 - Anterior
     • Infection
Causes of Localized ... Lymphadenopathy - Differential ... Diagnosis Algorithm ... , Mediastinum, Lungs ... Esophagus) • Abdominal
Rare Causes of Abdominal Pain
 • Hereditary Angioneurotic Edema - Recurrent visceral that may by swelling
Rare Causes of Abdominal ... Mediterranean areas ... in the knee-to-chest ... Positive Carnett's sign ... #differential #
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
Tuberculosis: can cause ... Adrenals: • Lung ... /vomiting • Abdominal ... bronzing") - Palmar creases ... /dL -> Primary AI
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Heat Stroke - Differential ... on the skin • Areas ... Rhabdomyolysis - AKI ... → Syncope • Signs ... - Headache - Abdominal
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
EGPA) • Renal: (AKI ... o infection • Echocardiogram ... Goodpasture's cause ... sparing of the lung ... • IF staining patterns
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... • CT: Halo sign ... lymphadenopathy, • Abdominal ... factor • May cause ... AIDS #pulmonary #differential
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
pneumonitis (2) The case ... Signs of fibrosis ... mid and lower lung ... included in the differential ... Clinical #Radiology #CTChest
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Face, upper back, chest ... associated with signs ... honey-colored crusts ... Christmas tree pattern ... dermatology #rash #differential
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Vital signs: BP ... radiograph pattern ... consider intra-abdominal ... Most commonly caused ... #Lung #Pulmonary