9 results
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
type 4) - Salt wasting ... Differential #Diagnosis #Low ... #Potassium #Table ... #Classification ... #Causes
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Familial renal Mg wasting ... Differential #Diagnosis #Low ... #Magnesium #Table ... #Classification ... #Causes #Workup
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
moving back to resting ... Vaughan Williams Classification ... 1C: Strong Blockade ... #Pharmacology #Classification ... #Classes #pathophysiology
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 ... Cerebral Salt Wasting ... differential #diagnosis #table
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
ASA class If ... algorithm to determine ... Orthopedic • Low ... surgery Stress Testing ... preoperative stress testing
Perhaps quite too often, the knee-jerk reaction to an elevated Troponin is to call our friends
only 5% of the resting ... are typically able ... treat the primary cause ... #diagnosis #algorithm ... #cardiology #echocardiogram
6/02/2022 UPDATE: This assay is designed to detect non-variola orthopoxviruses, including monkeypox virus. It is not
should use this algorithm ... risk of smallpox –low ... specimens from low ... See table below ... all HIGH RISK CASES
Pragmatic diagnostic algorithm for hypokalemia. 
***Typical presentations: 
 • Vomiting: urine Na/Cl > 1.6, low urine
Pragmatic diagnostic algorithm ... urine Na/Cl > 1.6, low ... confirmed via genetic testing ... continued in most cases ... dependent upon local laboratory
Total Anomalous Pulmonary Venous Return (TAPVR)

Here's the bedside Echo of an 8-week-old boy who presented to
apparent issues until now ... (This causes ↑ strain ... way any blood is getting ... Return #POCUS #Echocardiogram ... #Clinical #A4C
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