31 results
Raynaud Phenomenon Differential Diagnosis:

Rheumatologic

 - MCC systemic sclerosis, RA, SLE, Sjogren syndrome, Antisynthetase syndrome, MCTD
Heme

 -
Raynaud Phenomenon Differential ... Diagnosis: Rheumatologic ... - MCC systemic ... , SLE, Sjogren syndrome ... #Differential
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Platelet Count - Differential ... Inflammatory Conditions: Rheumatologic ... Kawasaki, Nephrotic syndrome ... • Reaction to Medications ... Thrombocytosis #Platelets #Differential
Serotonin Syndrome Drug Precipitants and Pharmacology
↑ Serotonin Formation: Tryptophan, Oxitriptan
↑ Serotonin Release: Amphetamines, Cocaine, Mirtazapine
↑ Serotonin
Serotonin Syndrome ... Precipitants and Pharmacology ... #Pharmacology # ... medications #causes ... #differential #
Multiple Myeloma and Monoclonal Gammopathies
C - HyperCalcemia- calcium > 11 mg/dL / >1 mg/dL the ULN
R
/dL or CC < 40 ml ... M spike: • CML ... plasmacytoma, POEMs syndrome ... MGUS #diagnosis #hematology ... #oncology
Hydroxychloroquine Serum Measurement in SLE
 • Terminal elimination half-life = 40 days ([HCQI reflects long-term intake)
concentration: > 750ng/mL ... probably < 1500ng/mL ... Best indications ... Measurement #SLE #rheumatology ... #pharmacology #
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
• Exogenous (KCL ... #hyperkalemia #differential ... pathophysiology #pharmacology ... #potassium #medications
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Thrombocytosis - Differential ... Myelodysplastic syndrome ... myeloid leukemia (CML ... Thrombocytosis #Differential ... Diagnosis #Causes #hematology
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
) Low MCV - <80fL ... anemia" High MCV ... Myelodysplastic syndrome ... #differential # ... diagnosis #causes #hematology
Monoclonal Gammopathy of Clinical Significance (MGUS) - Differential Diagnosis

Neurologic-Centered:
 (+) Systemic Features: POEMS, AL amyloid, Cryoglobulinemia
Significance (MGUS) - Differential ... capillary leak syndrome ... • Schnitzler syndrome ... #Diagnosis #hematology ... #oncology
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
(HCV) • CLL & MBL ... Evans • ITP • Cl-NH ... Paraproteinemias #Hematology ... #Monoclonal #Differential ... #Diagnosis #Oncology