1230 results
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH) Pathophysiology ... Cytopenia +++ (Plt ... chemotherapy, anti-CD20 (PTLD
Coagulation Protein Tests (PT and PTT)

#Coagulation #Tests #PTT #algorithm #differential #pathophysiology
Protein Tests (PT ... and PTT) #Coagulation ... #Tests #PTT #algorithm ... #differential #pathophysiology
Calcium Homeostasis

Serum Calcium - PTH - Vitamin D Regulation

#Calcium #Homeostasis #Pathophysiology #Autoregulation #VitaminD #PTH #Endocrinology
Serum Calcium - PTH ... #Homeostasis #Pathophysiology ... Autoregulation #VitaminD #PTH
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
INR), Prolonged PTT ... • Prolonged PT ... • Prolonged PT ... , Normal PT (INR ... , Normal PT (INR
Hormonal Regulation of the Blood Calcium concentration

#Calcium #Regulation #Parathyroid #Calcitonin #Calcitriol #PTH #Endocrinology #Pathophysiology #Hormones
Calcitonin #Calcitriol #PTH ... Endocrinology #Pathophysiology
Effects of Parathyroid hormone (PTH) and Calcitonin on Calcium and Phosphate Metabolism

#Parathyroid #hormone #PTH #Calcitonin #phosphate
Parathyroid hormone (PTH ... Parathyroid #hormone #PTH ... phosphate #metabolism #pathophysiology
Parathyroid Hormone (PTH) Effect in Calcium and Phosphorus
Calcium - Net Effect Hypercalcemia:
   ↑ intestinal
Parathyroid Hormone (PTH ... Parathyroid #Hormone #PTH ... Calcium #Phosphorus #pathophysiology
Feedback Loop: Prolactin (PRL)
 • PRL levels exhibit diurnal, menstrual, and age-related variation
 • TRH has
Loop: Prolactin (PRL ... ) • PRL levels ... stimulatory effect on PRL ... #Prolactin #PRL ... endocrinology #pathophysiology
Prothrombin Time (PT) and Partial Thromboplastin Time (PTT)

Prothrombin Time (PT) - Often Elevated in:
 • Vitamin
Prothrombin Time (PT ... Thromboplastin Time (PTT ... Prothrombin Time (PT ... thematttsai #PT ... #PTT #Prothrombin
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
• Prolonged PT ... /PTT • Low plasma ... protein C and S Pathophysiology ... Fibrinogen: ↓ • PT ... /INR: ↑ • PTT: