16 results
Anticoagulants Common Reversal Agents
 - Warfarin (Coumadin) → Vitamin K (Phytonadione), 4-factor PCC (Kcentra)
 - Heparin/LMWH
Reversal Agents - Warfarin ... PCC (Kcentra) - Heparin ... PCC (Kcentra) #anticoagulation ... #doac #noac #pharmacology ... #hematology #reversal
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Anticoagulants (Warfarin ... deficiency • Liver ... #Diagnosis #hematology ... #rheumatology # ... #nonpalpable #dermatology
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Diagnosis Algorithm ... Sequestration Disordered Platelet ... - Acquired • Anticoagulation ... Iatrogenic) • Liver ... #Causes #Hematology
The coagulation cascade is shown, separated into different phases with their endogenous and pharmacological inhibitors shown.
clot #PT #PTT #diagnosis ... #models #hematology ... pathophysiology #anticoagulation ... anticoagulant #Warfarin ... Rivaroxaban #Edoxaban #heparin
Summary of Coagulation Deficiencies
Inherited:
 • Hemophilia A - Deficiency of Factor VIII
 • Hemophilia B -
Medications - Heparin ... , LMWH, warfarin ... ) • Advanced Liver ... table #comparison #diagnosis ... #hematology #deficiency
Prothrombin Time (PT) and Partial Thromboplastin Time (PTT)

Prothrombin Time (PT) - Often Elevated in:
 • Vitamin
or antagonism (warfarin ... inhibitor • Liver ... elevated in: • Heparin ... Thromboplastin #laboratory #hematology ... #diagnosis
CHA2DS2VASc vs HAS-BLED scores for stroke risk and bleed risk on anticoagulation

C	Congestive Heart Failure	1

H	Hypertension	1

A2	Age >75	2

D	Diabetes Mellitus	1

S2	Stroke,
Abnormal renal/liver ... >2.3mg/dL) 1 Liver ... D Drugs Anti-platelet ... #AFib #Diagnosis ... #Hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Disorders - Differential ... Diagnosis and Workup ... : INR/PT, aPTT(liver ... bypass), LFT (liver ... #Workup #hematology
Platelet Disorders - Differential Diagnosis Framework

Qualitative Defects:
 • Adhesion
 • Aggregation
 • Secretion

Quantitative Defects:
 • Production:
Platelet Disorders ... - Differential ... Diagnosis Framework ... • Production: Liver ... #Diagnosis #hematology
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... Supratherapeutic warfarin ... • Reduced liver ... #differential # ... hematology #coagulation