38 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... practices that could cause ... K), H. pylori test ... thyroid function test ... #Workup #hematology
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Causes of Secondary ... Renal ultrasound, Tests ... sodium loading test ... saline infusion test ... #Screening #Workup
Hemolysis - Diagnostic Algorithm and Causes

Increased red cell production: 
 • Increased Reticulocytosis/polychromasia 
 • Erythroid
Algorithm and Causes ... #Differential #Causes ... #Workup #Hematology ... GrepMed Recommended Text
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Clinical Trial: compares ... relative risk): compares ... odds ratio): compares ... disease who test ... then all negative tests
Major neurocognitive disorders (MNCD): Diagnosis and workup 

1) Clinical diagnosis Cognitive impairment + loss of autonomy
2)
Diagnosis and workup ... ... laboratory tests ... the diagnostic workup ... Alzheimer - 1st cause ... Dementia - 2nd cause
Bunnel-Littler PIP Joint Test on Physical Exam
For intrinsic vs joint capsule cause of restriction or tightness
Bunnel-Littler PIP Joint Test ... joint capsule cause ... unaffected side and compare ... flex at the PIP, compare ... BunnelLittler #Test
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
ACTH stimulation test ... aldosterone - Low in cases ... CRH stimulation test ... - Serum tests that ... endocrinology #workup
Hyponatremia - Diagnostic Evaluation Algorithm

Step 1: Consider whether Posm may actually be normal or elevated
Step 2:
Consider additional tests ... considered likely, the cause ... Hyponatremia #Diagnosis #Workup
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
the screening test ... correctly diagnose a case ... that any given case ... the screening test ... it has a narrow focus
Admitting in the ICU - Checklist
VITALS: If bad, stop and go see the patient immediately; you
IMAGING: Always compare ... failure, esp in work-up ... history Initial Work-up ... Urine Pregnancy Test ... Checklist #diagnosis #workup