16 results
Causes of Developmental Delay - Differential Diagnosis Algorithm
Isolated Domain Delay - Reduced Respiratory Drive:
 • Cognitive
Differential Diagnosis Algorithm ... (e.g. ... Landau-Kleffner Syndrome ... • Mechanical (e.g ... #Causes #Peds #
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Megakaryopoiesis • Aplastic Anemia ... Toxic Damage (e.g ... Displacement (e.g ... Foreign Surface (e.g ... #Causes #Hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
(usually IgG) (e.g ... (usually IgM) (e.g ... lymphoproliferative disorders ... deficiencies (e.g ... differential #diagnosis #hematology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Differential Diagnosis Algorithm ... Increased Requirement (e.g ... • Small Bowel Disorder ... Myelodysplastic Syndromes ... #Causes #Hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
malignancies • Anemia ... Chronic inflammatory disorders ... (e.g. autoimmune ... Myelodysplastic syndrome ... Diagnosis #Causes #hematology
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
Nail Disorders secondary ... Iron deficiency anemia ... halt nail growth (e.g ... • Nephrotic syndrome ... Differential #Diagnosis #Algorithm
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Neoplastic / Hematologic ... • Anemia • ... • Drug Abuse (e.g ... • Somatization Disorder ... Chronic Fatigue Syndrome
Anemia Diagnostic Algorithm

Mean corpuscular (cell) volume (MCV): Average RBC size. Under 80 = microcytic. Between 80-95
Anemia Diagnostic ... Algorithm Mean ... (BM) ablative disorders ... of substrate (e.g ... #Workup #Hematology
Mesenteric Ischemia - Differential Diagnostic Schema
Chronic: ASCVD, Venous, Vasculitides 5% (PAN, [E]GPA, IgA, MPA)
Acute
 - Venous
Thrombus, 1° clotting disorder ... inflammation (e.g ... Antiphospholipid syndrome ... hypovolemia), Meds ... Differential #Diagnosis #algorithm
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Demyelinating Syndrome ... Headache, Movement disorders ... , Seizure disorders ... Disease, PRES Pathophysiology ... Lumbar Puncture, EEG