12 results
Algorithm for Investigation of Abnormal Coagulation Tests
- Prolonged PT
- Prolonged aPTT and Prolonged PT
- Prolonged aPTT

Dr.
of Abnormal Coagulation ... Tests - Prolonged ... #APTT #Laboratory ... #Hematology #Diagnosis ... #Workup
Hyponatremia - Diagnostic Evaluation Algorithm

Step 1: Consider whether Posm may actually be normal or elevated
Step 2:
Evaluation Algorithm ... may actually be normal ... Consider additional tests ... considered likely, the cause ... #Workup #Evaluation
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
- Differential Diagnosis ... Algorithm No onset ... • Vanishing Testes ... #Algorithm #Causes ... #OBGyn #Gynecology
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
Algorithm - Evaluation ... unclear (often the case ... then go to stim testing ... Standard Stim test ... this indicates normal
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
aldosterone - Low in cases ... aldosterone - Often normal ... Insufficiency #Evaluation #laboratory ... #diagnosis #testing ... endocrinology #workup
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Algorithm Clinical ... Weakness, fatigue, nausea ... , hypoglycemia Testing ... ACTH) stimulation test ... insufficiency • Low or normal
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Most Common Causes ... parenchyma Diagnosis ... - BAR >1.0 is abnormal ... Bronchoscopy Laboratory ... #differential #diagnosis
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
TTP - Laboratory ... activity is the diagnostic ... value is low, tests ... indirect antiglobulin tests ... #Workup #Hematology
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Causes of Secondary ... - Differential Diagnosis ... Algorithm Absence ... #Algorithm #Causes ... #OBGyn #Gynecology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Algorithm Pinpoint ... deficiency Work ... Fecal occult blood test ... #Algorithm #Causes