Dr. Gerald Diaz @GeraldMD
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Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief ๐Ÿ‡ต๐Ÿ‡ญ ๐Ÿ‡บ๐Ÿ‡ธ - Sign up for an account to like, bookmark and upload images to contribute to our community platform. Follow us on IG: https://www.instagram.com/grepmed/ | Twitter: https://twitter.com/grepmeded/
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Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 โ€ข Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... coagulation (DIC) - HELLP ... antibiotics are the most ... #differential # ... diagnosis #hematology
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 โ€ข Enzyme deficiencies ex. G6PD, pyruvate kinase 
 โ€ข Hemoglobinopathies
Differential Diagnosis ... for Hemolytic Anemia ... TTP, HUS, DIC, HELLP ... #classification ... #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 โ€ข Sickle cells - Consider sickle cell disease (diverse genotypes):
- Differential ... Diagnosis Algorithm ... thrombocytopenia - DIC, TTP, HELLP ... #workup #hematology ... #testing
Thrombocytopenia and Pregnancy - TTP/HUS, HELLP Syndrome and Acute Fatty Liver of Pregnancy (AFLP)
Three syndromes in
(Hemolysis, Elevated ... child * Severe cases ... TTP * Occurs most ... AFLP #obstetrics #hematology ... #diagnosis #table
Thrombocytopenia and Pregnancy
Three syndromes in the critically ill pregnant woman who presents with coagulation defects.
1) HELLP
(Hemolysis, Elevated ... child * Severe cases ... TTP * Occurs most ... Obstetrics #OBGyn #Hematology ... Diagnosis #Comparison #Table
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
diabetes - Post-obstructive ... Hypomagnesemia #Differential ... Low #Magnesium #Table ... #Classification ... #Causes #Workup
Post-Transplantation Lymphoproliferative Disorders (PTLD)
Definition: Lymphoid and/or plasmacytic proliferations that occur as a result of immunosuppression in
Post-Transplantation ... transplants, as compared ... symptoms, unexplained hematologic ... Diagnosis and classification ... to 50% of PTLD cases
Erythemas Summarized
Erythema ab igne
 โ€ข A dermatosis that results from repeated exposure to heat (fires, heating
Usually composed ... Erythemas #comparison #table ... #differential # ... diagnosis #dermatology ... #compared
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... normal volume-based algorithm ... Cerebral Salt Wasting ... #Hyponatremia #differential ... #diagnosis #table
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isnโ€™t a diagnosis. Like many things, it is a condition
Polycythemia - Differential ... Diagnosis Algorithm ... an underlying cause ... Better call hematology ... expert around to help