23 results
Approach to Elevated aPTT / PT - Differential Diagnosis Algorithm

aPTT: Intrinsic / Final
PT: Extrinsic / Final

By
Approach to Elevated ... aPTT / PT - Differential ... Diagnosis Algorithm aPTT ... MatthewHoMD #Elevated ... #aPTT #PT #INR
Prothrombin Time (PT) and Partial Thromboplastin Time (PTT)

Prothrombin Time (PT) - Often Elevated in:
 • Vitamin
Thromboplastin Time (PTT ... ) - Often Elevated ... Thromboplastin Time (PTT ... ) - Often elevated ... #PTT #Prothrombin
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Hypercalcemia - ... Diagnosis Algorithm Elevated ... PTH (High or normal ... Low PTH: • Elevated ... Algorithm #causes #endocrinology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
• Prolonged PT ... /PTT • Low plasma ... fibrinogen • Elevated ... /INR: ↑ • PTT: ... INR < 2.3 - APTT
Hypercalcemia Evaluation
1) Clinical clues
 - Is the patient symptomatic?
 - Family history?
 - Have you done
Hypercalcemia Evaluation ... 2) PTH - Frankly ... BrighamChiefs #Hypercalcemia ... differential #diagnosis #endocrinology ... #calcium #elevated
Hypercalcemia - Differential Diagnosis Algorithm
Primary Hyperparathyroidism
 • Adenoma
 • Hyperplasia
 • MEN 1 and 2A
Tertiary Hyperparathyroidism
Hypercalcemia - ... Hypocalciuria Hypercalcemia ... Other Familial Hypercalcemias ... Malignancy • PTH-Related ... Diagnosis #Algorithm #Endocrinology
Hypercalcemia Workup and Differential Diagnosis Framework
1) Determine whether PTH-dependent
2) Assess for other hormonal causes
3) Assess for
Hypercalcemia Workup ... Determine whether PTH-dependent ... uw_IMresidency #Hypercalcemia ... Diagnosis #algorithm #endocrinology
Parathyroid Hormone (PTH) Effect in Calcium and Phosphorus
Calcium - Net Effect Hypercalcemia:
   ↑ intestinal
Parathyroid Hormone (PTH ... Calcium - Net Effect Hypercalcemia ... Parathyroid #Hormone #PTH ... pathophysiology #endocrinology
Diagnostic algorithm for the workup of hypercalcemia. The diagnostic workup for patients presenting with hypercalcemia rests
the workup of hypercalcemia ... presenting with hypercalcemia ... into those with elevated ... hypocalciuric hypercalcemia ... #Diagnosis #Hypercalcemia
ISTH Scoring System for Disseminated Intravascular Coagulation (DIC)
Platelet count:
 • Expected: Low (or normal)
 • Elevation
, aPTT: • Expected ... : Elevated • Decreases ... using INR use PT ... • Expected: Elevated ... • Elevated as