16 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
plateletcount), peripheral blood ... smear, HIV/HCV ... testing - Lab ... (CVID, WAS), (neurologic ... #hematology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
be treated with IV ... losses: • High Blood ... • Low/Normal Blood ... diagnosis #Algorithm #differential ... #potassium #nephrology
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Hypertension - Workup ... and Differential ... with previously stable ... Neurologic disorders ... #Hypertension #Workup
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Rhabdomyolysis - Differential ... Infection - Viral (HIV ... symptoms: - Muscle pain ... - Abdominal pain ... UA positive for blood
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Hypertension - Differential ... and Screening Testing ... (correction of hypokalemia ... Causes #Screening #Workup ... #table
Lactic Acidosis - Differential Diagnosis Framework

Type A: Impaired O2 Delivery (DO2)
 • Decreased O2 Delivery: Hypotension
Lactic Acidosis - Differential ... Hypotension & Hypovolemia ... Demand: Stress / Pain ... Beta-Agonists, ↑ work ... separate D-lactate testing
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cold Agglutinin Syndrome ... Mycoplasma, EBV, HIV ... younger pts) Differential ... chills, flank pain ... hemolytic #anemia #hematology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... Additional tests: HIV ... : • Complete blood ... , and low back pain ... #Rheumatology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
formed or don’t work ... Workup: • Complete ... differential • ... Treatment: Goals: Treating ... #diagnosis #hematology
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Associated with Joint Pain ... - SLE Neurologic ... arteritis • Bloody ... #differential # ... diagnosis #rheumatology