50 results
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
, CLL Acute leukemias ... -> AML: Blast crises ... - infiltrates (anemia ... ) CLL Symptoms: ... #Leukemia #Hematology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... Megakaryopoiesis • Aplastic Anemia ... ITP • SLE • CLL ... HUS • DIC • Vasculitis ... #Hematology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Non-Infectious Aortitis: • Vasculitides ... : Giant Cell Arteritis ... ANCA associated vasculitis ... (RA), Systemic lupus ... Differential #Diagnosis #rheumatology
Giant Cell (Temporal) Arteritis: Pathogenesis and investigations
Risk Factors:
 - Unclear environmental triggers (may be viral, not
Giant Cell (Temporal ... - Normocytic Anemia ... - Giant cells ... palpation - Vasculitic ... Temporal #Arteritis #Pathophysiology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... usually IgG) (e.g. lupus ... , CLL, lymphoma, ... Extravascular #Causes ... #anemia
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
Lupus (SLE): Mucocutaneous ... hair follicles -> causes ... UV light Incr cell ... Livedo Reticularis, Vasculitis ... Manifestations #pathophysiology
Oxyhemoglobin Dissociation Curve 

Left Shift - decreased unloading of O2 at tissue level (i.e.  increased
stored red blood cells ... hypoxemia - Sickle cell ... anemia #Oxyhemoglobin ... Dissociation #Curve #Pathophysiology ... #Differential #Causes
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
smear: Smudge cells ... or basket cells ... • Neutropenia, anemia ... microglobulin Treatment ... workup #oncology #hematology
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Disease, PRES Pathophysiology ... autoantibodies that will cause ... Puncture, EEG Treatment ... CNS #neurology #rheumatology ... diagnosis #management #treatment
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
three primary pathophysiologic ... causes differentiated ... Post-strep GN, Lupus ... Glomerulonephritis #Vasculitis ... diagnosis #algorithm #rheumatology