15 results
diagnosis differential cardiology antiarrhythmics pharmacology ecg hyperkalemia hypokalemia management nephrology pathophysiology potassium anemia changes clinical clinicopathology dysarthria echocardiogram electrocardiogram elevation
Antiarrhythmics - Vaughan Williams Classification Class I (Ia, Ib, Ic) - Na+ Channel Blockade • Slows depolarization
Vaughan Williams Classification ... and prolongs PR interval ... • Prolongs QT interval ... and prolongs PR interval ... #Classes #cardiology
Hypokalemia - Differential Diagnosis Poor Intake - Starvation - Anorexia GI Losses - Vomiting / NG
Hypomagnesemia Internal ... Differential #Diagnosis #Low ... #Potassium #Table ... #Classification ... #Causes
Hypokalemia Differential Diagnosis Algorithm Low intake • poor oral intake Renal loss • Medication • Hypomagnesemia •
Differential Diagnosis Algorithm ... Low intake ... Frameworks for Internal ... Differential #Diagnosis #Algorithm ... #Causes #Classification
Antiarrhythmics - Vaughan Williams Classification: CLASS 1 - Sodium Channel Blockers: • MOA: Block fast Na+ channels
Vaughan Williams Classification ... depolarization • ↑ PR interval ... Duration) - ↑ QT interval ... velocity) - ↑ PR interval ... #Classes #pathophysiology
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia. - At
repolarization causes ... in conduction causes ... prolonged PR and QT intervals ... #Hyperkalemia #EKG ... Progression #Table
Antiarrhythmics Pharmacology Summary Cardiac Conduction Phases: Phase 0 - Ventricular Depolarization: • Na+ channels open leading to a
Vaughan Williams Classification ... depolarization • ↑ PR interval ... Duration) - ↑ QT interval ... velocity) - ↑ PR interval ... #Classes #pathophysiology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm Low Mean Corpuscular Volume (<80
Causes of Anemia ... Low Mean Corpuscular ... Chronic Disease (e.g ... #Anemia #MCV #Classification ... #Causes #Hematology
Rapidly Progressive Glomerulonephritis (RPGN) RPGN has three primary pathophysiologic causes differentiated by immunofluorescence Immune Complex Mediated (granular staining):
pathophysiologic causes ... staining): • Low ... GPA Stanford Internal ... differential #diagnosis #algorithm
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 ... Uosm <100): Renal Losses ... Osmostat Stanford Internal ... differential #diagnosis #table
Recurrent Polymorphic VT/Torsades de Pointes - Management Algorithm Drugs that prolong QT interval: • Class 1a (quinidine,
Pointes - Management Algorithm ... that prolong QT interval ... load: 25-50 mg/kg ... 1b (lidocaine)- case ... TDP #Management #Algorithm
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