22 results
Hemostasis Physiology

The blood's response to blood vessel injury can be viewed as four interrelated steps. 
Roman
numerals refer to coagulation ... diphosphate; PF-3, platelet ... #Hemostasis #Pathophysiology ... #Coagulation #Cascade
The coagulation cascade is shown, separated into different phases with their endogenous and pharmacological inhibitors shown.
The coagulation ... multicomponent complexes on platelets ... #Coagulation #Cascade ... #platelet #thrombin ... models #hematology #pathophysiology
Blood Product Components, Contents, Volume and Shelf Life

Whole blood (autologous or directed donations) - RBC and
WBC and platelets ... Hct 60% Platelet ... concentrate - Platelets ... Hct < .005) Platelet ... pheresis - Platelets
Bleeding and Bruising - Differential Diagnosis Algorithm
 • Vascular System Defect - Congenital vs Acquired
 •
Differential Diagnosis Algorithm ... vs Acquired • Platelet ... Qualitative • Coagulation ... Differential #Diagnosis #Algorithm ... #pathophysiology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Thrombocytosis - Elevated Platelet ... Differential Diagnosis Algorithm ... hematology for workup ... Thrombocytosis #Platelets ... Differential #Diagnosis #Algorithm
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Differential Diagnosis Algorithm ... Sequestration Disordered Platelet ... • Vasculitis Coagulation ... deficiencies Coagulation ... Differential #Diagnosis #Algorithm
Non-Infective Endocarditis - Pathophysiology
Non-infective Endocarditis Pathophysiology:
 • Valves usually undamaged - Etiology poorly understood but thought
Endocarditis - Pathophysiology ... Non-infective Endocarditis Pathophysiology ... activation of clotting cascade ... → Fibrin and platelet ... NBTE #Marantic #pathophysiology
Pancytopenia - Differential Diagnosis Algorithm
 • 12-13 g/dL,
 • ANC < 1800/uL,
 • platelet < 150,000/uL

Initial
Differential Diagnosis Algorithm ... < 1800/uL, • platelet ... /uL Initial Workup ... Differential #Diagnosis #Algorithm ... #hematology #workup
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Intravascular Coagulation ... protein C and S Pathophysiology ... is simultaneous coagulation ... Findings in DIC: • Platelet ... Thrombocytopenia - Platelet
Thrombocytopenia and Pregnancy
Three syndromes in the critically ill pregnant woman who presents with coagulation defects.
1) HELLP
presents with coagulation ... Liver tests, Low Platelets ... pregnancy * Severe coagulation ... Diagnosis #Comparison #Table