103 results
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Phase I - Initial Repolarization ... - Ventricular Repolarization ... Vaughan Williams Classification ... #Pharmacology #Classification ... #Classes #pathophysiology
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... Differential Diagnosis Algorithm ... Pericardial • Effusion ... Pleural Thickening/Masses ... #Causes
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... prolong AV node repolarization ... prolong AV node repolarization ... #Pharmacology #Classification ... #Classes #pathophysiology
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Vaughan Williams Classification ... Class I (Ia, Ib ... Blockade • Slows depolarization ... VaughanWilliams #Classification ... #Classes #cardiology
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Differential Diagnosis Algorithm ... Ventilation/perfusion ... Differential #Diagnosis #Algorithm ... #Causes #Pulmonary
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
average settings • Causes ... gas equation • Causes ... supplemental oxygen • Causes ... to hypoxemia • Causes ... bypassing the lungs • Causes
Causes of Pleural Effusion - Differential Diagnosis Algorithm
Exudative Effusion:
 - Pulmonary
     •
Causes of Pleural ... Diagnosis Algorithm ... : - Pulmonary ... Differential #Diagnosis #Algorithm ... #Causes #Pulmonary
Causes of Pleural Fluid Transudates and Exudates

#Pleural #Fluid #Effusion #Differential #Diagnosis #Transudative #Exudative #Pulmonary #Causes
Causes of Pleural ... Pleural #Fluid #Effusion ... Transudative #Exudative #Pulmonary ... #Causes
Chest Pain - Differential Diagnosis Algorithm
Cardiovascular Causes:
 - Outflow Obstruction
     • Aortic
Cardiovascular Causes ... / Mediastinal Causes ... • Pleural Effusion ... Sarcoidosis Other Causes ... #causes
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
Hyperkalemia shortens repolarization ... causes peaked T ... in conduction causes ... wave to produce classic ... sine wave (QRS-T fusion