15 results
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Vaughan Williams Classification ... - Na+ Channel Blockade ... Beta Receptor Blockade ... VaughanWilliams #Classification ... #Classes #cardiology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... CLASS 1B: Weak Blockade ... CLASS 1C: Strong Blockade ... #Pharmacology #Classification ... #Classes #pathophysiology
Shock Classification Types - Pathophysiology Comparison

Obstructive Shock:
 • Obstructive shock is characterized by a blockage in
Shock Classification ... characterized by a blockage ... in blood flow caused ... Depends on the cause ... criticalcare #diagnosis #classification
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Vaughan Williams Classification ... CLASS 1B: Weak Blockade ... CLASS 1C: Strong Blockade ... #Pharmacology #Classification ... #Classes #pathophysiology
Serious Bacterial Illness (SBI):
1) UTI and pyelonephritis
Most common cause of SBI
Accounts for 3-8% of uncharacterized fevers
Female
pyelonephritis Most common cause ... Diagnosis #Peds #EM ... #Classification
This is a parasternal long axis view of a young patient presenting with 3 days of
In this case, the ... Michael Macias, EM ... University #Clinical #EM ... #Radiology #POCUS
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Causes of Lactate ... The most common causes ... - Many other causes ... / hypoxemia -> focus ... #typea #typeb #classification
Modified dengue severity classification, PAHO/WHO
Dengue without warning signs - DNWS:
 • Person who lives or has
dengue severity classification ... Nausea/ vomiting ... Leukopenia • Cases ... and no apparent focus ... fever #severity #classification
Causes of Hyperkalemia
l. Pseudohyperkalemia
  A Cellular efflux; thrombocytosis, erythrocytosis, leukocytosis, in vitro hemolysis
  B.
Causes of Hyperkalemia ... Blockade of the ... Blockade of the ... High #Potassium #Classification ... #Causes
Cellulitis - Appears as "cobblestoning," caused by interstitial edema separating adipose tissue 

#Clinical #EM #POCUS #Cellulitis
cobblestoning," caused ... #Clinical #EM ... #POCUS #Cellulitis