262 results
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Depolarization: • Na+ channels ... Phase • Ca++ channels ... Potential: • K+ channels ... Block fast Na+ channels ... Classification #Classes
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
CLASS 1 - Sodium Channel ... Block fast Na+ channels ... 3 - Potassium Channel ... MOA: Block K+ channels ... Block slow Ca++ channels
Causes of Peripheral Weakness - With and Without Sensory Changes - Differential Diagnosis Algorithm
With Sensory Changes:
Causes of Peripheral ... Without Sensory Changes ... With Sensory Changes ... Without Sensory Changes ... #Causes
Drugs affecting the cardiac action potential. The sharp rise in voltage ("0") corresponds to the influx
to the sodium-channel ... voltage-sensitive calcium channels ... Antiarrhythmics #Classes
Causes of Neutropenia with Pancytopenia - Differential Diagnosis Algorithm
Sequestration:
 • Splenomegaly
Marrow Infiltration:
 • Hematologic and non-hematologic
Causes of Neutropenia ... Differential Diagnosis Algorithm ... and non-hematologic ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... neurologic/psychiatric changes ... patients if the cause ... or if a primary hematologic ... #Workup #hematology
Physiologic Changes in Pregnancy
Cardiovascular
Hematologic
Pulmonary
Gastrointestinal
Musculoskeletal

#Physiologic #Changes #Pregnancy #pathophysiology #obstetrics #obgyn #diagnosis
Physiologic Changes ... Cardiovascular Hematologic ... #Physiologic #Changes
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... Differential Diagnosis Algorithm ... Non malignant hematologic ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Nail Changes - Differential Diagnosis Algorithm
Nail Plate Abnormality
 - Trachyonychia
 - Discoloration
 - Onycholysis
 - Pitting
Nail Changes - Differential ... Diagnosis Algorithm ... Inflammation #Nail #Changes ... Differential #Diagnosis #Algorithm
Causes of Peripheral Weakness with Sensory Changes - Differential Diagnosis Algorithm
Radiculopathy:
 • Disc
 • Spondylosis
 •
Causes of Peripheral ... Weakness with Sensory Changes ... Differential Diagnosis Algorithm ... Differential #Diagnosis #Algorithm ... #Causes