13 results
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... and Diagnosis Algorithm ... for renal biopsy ... Nephrology if cause ... #Workup #urology
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
ACTH stimulation test ... aldosterone - Low in cases ... autoantibody tests ... aldosterone - Often normal ... endocrinology #workup
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Kidney Injury - AKI Workup ... Algorithm and Differential ... osmolarity If cause ... investigations abnormal ... #Injury #AKI #Workup
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
Diagnosis Algorithm ... unclear (often the case ... Standard Stim test ... this indicates normal ... #Stimulation #Test
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Differential Diagnosis Algorithm ... Weakness, fatigue, nausea ... ACTH) stimulation test ... insufficiency • Low or normal ... Differential #Diagnosis #Algorithm
Hyponatremia - Diagnostic Evaluation Algorithm

Step 1: Consider whether Posm may actually be normal or elevated
Step 2:
Diagnostic Evaluation Algorithm ... may actually be normal ... Consider additional tests ... considered likely, the cause ... Hyponatremia #Diagnosis #Workup
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential Algorithm ... - Diarrhea pH Normal ... Renal artery stenosis ... #Diagnosis #Causes ... #Workup #Nephrology
Primary and Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Primary (Essential) (95%) - Onset between age
and Secondary Causes ... Differential Diagnosis Algorithm ... Mislabelled - Repeatedly normal ... taken at home, work ... Differential #Diagnosis #Algorithm
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Differential Diagnosis Algorithm ... deficiency - Abnormal ... deficiency Work ... Fecal occult blood test
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
value is low, tests ... decrease in most cases ... indirect antiglobulin tests ... the presence of renal ... ThromboticThrombocytopenicPurpura #Diagnosis #Workup