Dr. Gerald Diaz @GeraldMD
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Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief πŸ‡΅πŸ‡­ πŸ‡ΊπŸ‡Έ - 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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Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 β€’ Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
evaluation or workup ... glucocorticoid treatment ... signs or symptoms (eg ... Disorders #Algorithm #Differential ... #diagnosis #hematology
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 β€’ Low PATM Can decrease first part
High altitude (eg ... respiratory drive due to neurologic ... Intrapulmonary shunting (eg ... intracardiac shunting (eg ... #Diagnosis #pulmonary
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
dialysis indication (e.g ... Nephrotoxic drugs (e.g ... are caused by prerenal ... KidneyInjury #simplified #workup ... #diagnosis #nephrology
Common causes of Acute Kidney Injury AKI - Differential Diagnosis
HEMODYNAMIC
 β€’ Cardiac failure: Impaired forward flow,
Common causes of ... Diagnosis HEMODYNAMIC ... vasoconstriction (e.g ... AIN) β€’ Drugs (e.g ... #Diagnosis #nephrology
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or β‰₯ 39 C this is a
Treatment depends ... Surgical devices, e.g ... Sepsis (β†’ 3-14) e.g ... malignant syndrome (e.g ... #Management #Workup
Pulmonary Embolism on ECG 

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
on ECG Mid ... Triage EKG (no prior ... Differential/diagnosis ... #Embolism #ECG ... #EKG #Electrocardiogram
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (β€œDecr Effective Circulating Volume”) 
 - Volume depletion
- Malignancy (e.g ... CNS pathology (e.g ... hemorrhage) - Pulmonary ... pathology (e.g. ... #Causes #Sodium
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... - Differential ... Pain/Post-op β€’ Neurologic ... β€’ Drugs β€’ Pulmonary ... Uosm < 100 mmol/kg
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
(Many causes!) ... β€’ Infection (e.g ... Brain lesions (e.g ... Wonderland #Syndrome #diagnosis ... #neurology #differential
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 β€’ Mechanical Trauma (Microangiopathic hemolytic anemia):
(usually IgG) (e.g ... (usually IgM) (e.g ... deficiencies (e.g ... #differential # ... diagnosis #hematology