14 results
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Algorithm INDICATIONS ... during medical evaluation ... for secondary causes ... eosinophilia (common causes ... Differential #diagnosis #hematology
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
and 2, but not type ... 4) - Salt wasting ... Low #Potassium #Table ... #Classification ... #Causes
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... smear, HIV/HCV testing ... PLT in selected cases ... Differential #Diagnosis #Causes ... #Workup #hematology
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Excessive GI losses ... Familial renal Mg wasting ... Low #Magnesium #Table ... #Classification ... #Causes #Workup
Algorithm regarding the diagnosis and treatment of Hereditary Hemochromatosis HH. 

Step 1: In the patient with
elevated, HFE gene testing ... out additional causes ... for other causes ... including liver and hematologic ... If other causes
Hepatorenal Syndrome (HRS)

Definition:
• Functional, potentially reversible kidney impairment.
• Occurs in advanced liver disease: cirrhosis, severe alcoholic
Caused by splanchnic ... Exclude other AKI causes ... Classification: ... liver transplant evaluation ... essential in all cases
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
10% of all lupus cases ... • Immunologic Workup ... Positive in 60-80% of cases ... sle #comparison #table ... #rheumatology #
Post-Transplantation Lymphoproliferative Disorders (PTLD)
Definition: Lymphoid and/or plasmacytic proliferations that occur as a result of immunosuppression in
immunosuppression in the setting ... by transplant type ... symptoms, unexplained hematologic ... Diagnosis and classification ... to 50% of PTLD cases
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
form of delayed-type ... potential inciting causes ... • Causes are multiple ... with variety of causes ... Erythemas #comparison #table
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Preoperative Risk Evaluation ... ASA class If ... event, follow ACC algorithm ... Risk Stratify Type ... What is the type