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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Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Ureterosigmoidostomy Urinary ... Differential #Diagnosis #Low ... #Potassium #Table ... #Classification ... #Causes
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
Causes of Hypokalemia ... is ruled out, causes ... filling of bucket (low ... all the time (urinary ... #Causes #workup
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
inhibitors - Primary ... Differential #Diagnosis #Low ... #Magnesium #Table ... #Classification ... #Causes #Workup
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 โ€ข Primary Hyperparathyroidism
 โ€ข Familial Hypocalciuric Hypercalcemia
Low
Differential Diagnosis Algorithm ... or normal): โ€ข Primary ... Hypercalcemia Low ... Bony Mets - Calcium ... #causes #endocrinology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Kidney Injury - AKI Workup ... Algorithm and Differential ... ultrasonography, serum calcium ... osmolarity If cause ... Diagnosis #nephrology #causes
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 โ€ข MOA: Block fast Na+ channels
Vaughan Williams Classification ... Block K+ channels (primarily ... 4 - Calcium Channel ... #Pharmacology #Classification ... #Classes #pathophysiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 โ€ข Na+ channels open leading to a
Vaughan Williams Classification ... Block K+ channels (primarily ... 4 - Calcium Channel ... #Pharmacology #Classification ... #Classes #pathophysiology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 โ€ข Epidemiology: -10% of all lupus cases, drug-dependent,
10% of all lupus cases ... thiazidic, PPI, ACE, calcium-b ... in >90% - Low ... Positive in 60-80% of cases ... sle #comparison #table
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isnโ€™t a diagnosis. Like many things, it is a condition
Differential Diagnosis Algorithm ... an underlying cause ... up EPO levels Primary ... levels: realllly low ... about secondary causes
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 ... can be high or low ... water intake (Primary ... differential #diagnosis #table