114 results
Drug-Induced Thrombocytopenia
The diagnosis of drug-induced thrombocytopenia can be made only by demonstrating resolution of thrombocytopenia once
Drug-Induced Thrombocytopenia ... of drug-induced thrombocytopenia ... resolution of thrombocytopenia ... discontinued.19 It ... #Medications #Causes
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... practices that could cause ... patients with thrombocytopenia ... of thrombocytopenia ... Differential #Diagnosis #Causes
4-T Score for the Likelihood of Heparin Induced Thrombocytopenia
 - Thrombocytopenia - Compare the highest platelet
count
Heparin Induced Thrombocytopenia ... - Thrombocytopenia ... Other potential cause ... of Thrombocytopenia ... ) #4TScore #HIT
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... Quinidine • HIT ... Heart Valve) #Thrombocytopenia ... Diagnosis #Algorithm #Causes
Causes of Thrombocytopenia - Differential Diagnosis Framework
Decreased Production:
 - Drugs (chemo, yang, sulfa, acetaminophen, NSAIDs, quinine,
Causes of Thrombocytopenia ... etc) - Viral: HIV ... Antibody-mediated: ITP, HITT ... Medicine @SCVMCMed #Thrombocytopenia
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
impulse test (HIT ... with a peripheral cause ... with a central cause ... #Diagnosis #PhysicalExam ... HeadImpulse #Testing #HIT
Causes of Purpura - Differential Diagnosis
Non-PalpabIe → Palpable
 • Thrombocytopenia (HIT, ITP/HUS), Coagulation defects (DIC, warfarin
Causes of Purpura ... → Palpable • Thrombocytopenia ... (HIT, ITP/HUS), ... nonpalpable #palpable #Causes
Great Mimickers - SHALLOTS Mnemonic

S- Syphilis - Neurosyphilis, aortitis, gummas... Granulomas can form anywhere! Skin, mucosa,
dementia, anemia, thrombocytopenia ... cause? ... everywhere so it ... splenomegaly, cytopenias, nausea ... consumption- number one cause
Cotton Wool Spots

Caused by microinfarcts. Exploded ganglion cell axons extrude their axoplasm into retina. Long DDx:
Wool Spots Caused ... hypertension, diabetes, HIV ... severe anemia or thrombocytopenia
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
transfusion • Thrombocytopenia ... coagulopathy - Thrombocytopenia ... deficiency) • HIT ... Treat primary cause ... Coagulation #diagnosis #causes