138 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 ... Abnormalities • Pleural Effusions ... #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
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
gas equation • Causes ... lung diseases, pulmonary ... asthma, COPD, pulmonary ... shunting (eg, pulmonary ... Differential #Diagnosis #pulmonary
Causes of Pleural Effusion - Differential Diagnosis Algorithm
Exudative Effusion:
 - Pulmonary
     •
Causes of Pleural ... Diagnosis Algorithm ... : - Pulmonary ... Differential #Diagnosis #Algorithm ... #Causes #Pulmonary
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Vaughan Williams Classification ... Blockade • Slows depolarization ... Blockade • Slows depolarization ... VaughanWilliams #Classification ... #Classes #cardiology
Causes of Pleural Effusion - Differential Diagnosis Algorithm
Transudate - Hydrostatic
 • Congestive heart failure
 • Constrictive
Causes of Pleural ... Effusion - Differential ... Diagnosis Algorithm ... Malignancy • Pulmonary ... #causes
Causes of Dyspnea - Differential Diagnosis Algorithm
Cardiac:
 • Dysrhythmia
 • Ischemia
 • Cardiomyopathy
 • Valvular disease
Causes of Dyspnea ... Differential Diagnosis Algorithm ... Pleura: • Pleural effusion ... Differential #Diagnosis #Algorithm ... #Causes
Chest Pain - Differential Diagnosis Algorithm
Cardiovascular Causes:
 - Outflow Obstruction
     • Aortic
Differential Diagnosis Algorithm ... • Myocarditis Pulmonary ... Vascular • Pulmonary ... • Pleural Effusion ... Differential #Diagnosis #Algorithm