188 results
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Vaughan Williams Classification ... prolong AV node repolarization ... Block K+ channels (primarily ... #Pharmacology #Classification ... #Classes #pathophysiology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... Block K+ channels (primarily ... interval (delays time repolarization ... #Pharmacology #Classification ... #Classes #pathophysiology
Amenorrhea - Differential Diagnosis Algorithm
Elevated FSH
 • Premature Ovarian Failure
 • Menopa use
 • Spontaneous
Bleed With
Differential Diagnosis Algorithm ... Challenge • Hypothyroidism ... • Hyperthyroidism ... #endocrinology ... #causes
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Evaluation of Hyperthyroidism ... high T4 +/- T3 → Primary ... Hyperthyroidism ... #algorithm #diagnosis ... #endocrinology
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Differential Diagnosis Algorithm ... Causes == Primary ... TSH & T4: • Hypothyroidism ... • Hyperthyroidism ... #causes
Primary and Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Primary (Essential) (95%) - Onset between age
Causes of Hypertension ... Differential Diagnosis Algorithm ... Hypertension Secondary Causes ... Differential #Diagnosis #Algorithm ... #causes
Causes of Hypercalcemia
Hypercalcemia due to increased bone Ca2+ resorption:
 • Primary hyperparathyroidism, Malignancy, Pseudohyperparathyroidism, Renal failure,
Causes of Hypercalcemia ... resorption: • Primary ... Addison's disease, Hyperthyroidism ... Hypercalcemia #Causes ... calcium #high #endocrinology
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
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
Differential Diagnosis Algorithm ... + High TSH • Primary ... Hypothyroidism ... #Endocrinology ... #Causes
Causes of hypophosphatemia - Differential Diagnosis
 • Increased losses: enhanced urinary phosphate excretion
 • Decreased input:
Causes of hypophosphatemia ... : enhanced urinary ... intracellular transfer • Primary ... hypophosphatemia #Causes ... Differential #Diagnosis #endocrinology