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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18 results
Antiarrhythmic Medications - Vaughan Williams Classification - Summary Table
Class I agents - Sodium Channel Blockersβ €
Class II
Vaughan Williams Classification ... - Summary Table ... are beta blockers ... - Potassium Channel ... #Summary #Table
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Algorithm Before ... treated with IV potassium ... wasting from other causes ... suggests extra-renal causes ... #differential #potassium
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
- Anorexia GI Losses ... Ureterosigmoidostomy Urinary Losses ... Diagnosis #Low #Potassium ... #Table #Classification ... #Causes
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 β€’ Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Disorders Testing Algorithm ... during medical evaluation ... for secondary causes ... eosinophilia (common causes ... are asthma, allergy
Hypereosinophilia Different Diagnosis and Workup
Secondary causes are broad so start with a med review, the most
Diagnosis and Workup ... Secondary causes ... are broad so start ... the most common cause ... #algorithm
Algorithm for the evaluation of macrocytic anemia. (RBC = red blood cell; MMA = methylmalonic acid.)
Physicians
Algorithm for the ... evaluation of macrocytic ... recovery also causes ... of vitamin B12 are ... #Workup #AAFP
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
urgent nephrology evaluation ... PROBLEM ~80% of AKI cases ... are caused by prerenal ... CONSIDER INTRINSIC CAUSES ... KidneyInjury #simplified #workup
Causes of Hypokalemia

Hypokalemia results from abnormal losses, transcellular shifts, or insufficient intake (Table 1).6–8 Abnormal losses
Causes of Hypokalemia ... insufficient intake (Table ... are most common ... significantly lower potassium ... #Differential #Causes
β–Ί
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Excessive GI losses ... Low #Magnesium #Table ... #Classification ... #Causes #Workup
Digoxin Pharmacology and Pathophysiology
1) Na/K ATPase Pump - Digoxin works by directly binding to and inhibiting
Pump - Digoxin works ... those sodium ions are ... , calcium ions are ... intracellular calcium causes ... the cell, serum potassium