7 results
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Vaughan Williams Classification ... , Intermediate Action ... Blockade, Fast Action ... Action, ←→ EFR ... #Pharmacology #Classification
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... type 4) - Salt wasting ... #Diagnosis #Low ... #Potassium #Table ... #Classification
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Familial renal Mg wasting ... Hypomagnesemia #Differential ... #Diagnosis #Low ... #Magnesium #Table ... #Classification
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... Cerebral Salt Wasting ... diuresis) RAAS Active ... #Hyponatremia #differential ... #diagnosis #table
Delayed Fracture Healing - Non-Union - Malunion - Differential Diagnosis Algorithm

Inflammation (Hours-Days) -> Soft Callus (Days-Weeks)
Non-Union - Malunion - Differential ... Diagnosis Algorithm ... • Excessive motion ... Misalignment before casting ... #Orthopedics #Causes
Pragmatic diagnostic algorithm for hypokalemia. 
***Typical presentations: 
 • Vomiting: urine Na/Cl > 1.6, low urine
Pragmatic diagnostic algorithm ... urine Na/Cl > 1.6, low ... urine Cl; • Active ... confirmed via genetic testing ... hypokalemia #diagnosis #differential
6/02/2022 UPDATE: This assay is designed to detect non-variola orthopoxviruses, including monkeypox virus. It is not
monkeypox virus or to differentiate ... should use this algorithm ... risk of smallpox –low ... specimens from low ... See table below