7 results
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Nodal Reentrant ... Tachycardia (AVNRT) - Pathophysiology ... - Dual AV nodal ... ECG usually shows ... #Nodal #Reentrant
BRASH Syndrome

B - Bradycardia
R - Renal failure
A - AV nodal blockade
S - Shock
H - Hyperkalemia

Typical ECG
Renal failure A - AV ... nodal blockade ... Hyperkalemia Typical ECG ... Syndrome #diagnosis #management ... #pathophysiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable ... Control rate with AV ... nodal blocking ... Control rate (e.g ... Tachycardia #Treatment #management
Treatment of Stable Wide-Complex Tachycardia
Regular
 • If ventricular tachycardia or uncertain rhythm:
    -
Treatment of Stable ... WPW) - Avoid AV ... nodal agents (e.g ... irregular protocol #Stable ... Tachycardia #Treatment #management
Anaphylaxis: Treatments (Acute)
Additional Info:
 • IV steroids may be considered for prevention of late phase reactions.
of late phase reactions ... antagonist use (e.g ... adjunct therapy) e.g ... Anaphylaxis #Treatments #Management ... #pathophysiology
Adrenoceptor Actions
α1
 • Vascular smooth muscle - Contraction
 • Genitourinary smooth muscle - Contraction
 • Intestinal
Adrenoceptor Actions ... • Heart - ↑ AV ... adrenergic #receptors #actions ... #pharmacology #pathophysiology ... #comparison #table
Atrial Fibrillation RVR - Medications
Diltiazem
 • Preferred in patients with chronic lung such as Asthma and
the duration of action ... combined with other AV ... nodal blockers ... #Medications #management ... treatment #comparison #table