9 results
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Vaughan Williams Classification ... Eric Strong @DrEricStrong ... - Strong Medicine ... #Classes #cardiology ... #pharmacology
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
- Anorexia GI Losses ... Mineralocorticoid excess - Renal ... Eric Strong https ... Potassium #Table #Classification ... #Causes
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
diarrhea / IBD Renal ... - Familial renal ... Eric Strong https ... Magnesium #Table #Classification ... #Causes #Workup
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Causes of Fatigue ... Metabolic • Renal ... Sclerosis • Stroke ... Myasthenia Gravis Pharmacologic ... Diagnosis #Algorithm #causes
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... 1C: Strong Blockade ... Vaughan #Williams #Pharmacology ... #Classification ... #Classes #pathophysiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics Pharmacology ... Vaughan Williams Classification ... 1C: Strong Blockade ... #Classification ... #Classes #pathophysiology
Imaging Modalities for Renal Calculus

AXR. KUB
 - Good far calcium-containing stones useful when limited radiation dose
Modalities for Renal ... X-rays useful tor stone ... identify non-calculus causes ... Combines calcific stone ... for non-calculus causes
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
pulmonary and renal ... tract, and often causes ... Palpable purpura: strong ... • Urinalysis (Renal ... #rheumatology #classification
Peripelvic Cyst on Renal POCUS
60s f admitted with acute pyelonephritis, CT scan reveals no hydronephrosis/stone/abscess, continues
hydronephrosis/stone ... collecting system stone ... Not classic for ... cysts may be a cause ... occasionally may cause