Week 4_5 Reverse Cards Flashcards
Inhibit sodium-glucose co-transporter 2 in the proximal renal tubule, reducing glucose and sodium reabsorption, leading to osmotic diuresis and improved cardiovascular and renal outcomes.
SGLT-2 Inhibitors - MOA
Oral administration, renal excretion, minimal hepatic metabolism.
SGLT-2 Inhibitors - Pharmacokinetics
Genitourinary infections, dehydration, hypotension, ketoacidosis (rare).
SGLT-2 Inhibitors - Adverse Effects
Heart failure with reduced ejection fraction (HFrEF), renal protection in chronic kidney disease (CKD).
SGLT-2 Inhibitors - Therapeutic Use
Severe renal impairment, type 1 diabetes (risk of ketoacidosis).
SGLT-2 Inhibitors - Contraindications
Renal function, hydration status.
SGLT-2 Inhibitors - Monitoring
Prolongs the action potential duration and refractory period, primarily blocking potassium channels (Class III antiarrhythmic effects).
Amiodarone - MOA
Extremely long half-life (weeks); hepatic metabolism via CYP3A4.
Amiodarone - Pharmacokinetics
Thyroid dysfunction, pulmonary fibrosis, hepatotoxicity, corneal deposits, photosensitivity, QT prolongation.
Amiodarone - Adverse Effects
Atrial fibrillation, ventricular arrhythmias.
Amiodarone - Therapeutic Use
Severe sinus node dysfunction, second- or third-degree AV block (without pacemaker).
Amiodarone - Contraindications
Liver function tests, thyroid function tests, chest X-ray, EKG, pulmonary function tests.
Amiodarone - Monitoring
Pulmonary toxicity, hepatotoxicity, proarrhythmic effects; use only in life-threatening arrhythmias.
Amiodarone - Black Box Warning
Block sodium channels, reducing conduction velocity and excitability. Subclassified into IA, IB, IC based on effects on action potential duration.
Class I Antiarrhythmics - MOA
Varies by subclass: hepatic metabolism, renal excretion.
Class I Antiarrhythmics - Pharmacokinetics
Proarrhythmic effects, QT prolongation (IA), CNS toxicity (IB), negative inotropy (IC).
Class I Antiarrhythmics - Adverse Effects
Atrial and ventricular arrhythmias (varies by subclass).
Class I Antiarrhythmics - Therapeutic Use
Severe heart failure, structural heart disease (IC agents).
Class I Antiarrhythmics - Contraindications
EKG for QT interval, arrhythmia recurrence.
Class I Antiarrhythmics - Monitoring
Proarrhythmia risk; reserve for life-threatening arrhythmias.
Class I Antiarrhythmics - Black Box Warning
Replenishes iron stores necessary for hemoglobin synthesis.
Iron Therapy - MOA
Oral: absorbed in the duodenum and upper jejunum; Parenteral: bypasses absorption.
Iron Therapy - Pharmacokinetics
Oral: GI upset, constipation, dark stools; Parenteral: hypersensitivity reactions, hypotension.
Iron Therapy - Adverse Effects
Iron deficiency anemia.
Iron Therapy - Therapeutic Use