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Bradycardia Diagnostic and Management Algorithm

CONSIDER ETIOLOGY (not inclusive): 
 - STRUCTURAL: sick sinus, AV block, ischemia,
Bradycardia Diagnostic ... THREATENING CAUSES & TREATMENT ... Electrolytes (hyperkalemia ... Diagnosis #Management #Bradycardia ... #Algorithm #Differential
BRASH Syndrome

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

Typical ECG
Syndrome B - Bradycardia ... Typical ECG ... flattening of P waves (Bradycardia ... ) BRASH Treatment ... • Aggressive treatment
Emergent Hyperkalemia Treatment Algorithm
ECG changes, weakness, K+ >6.5 Or renal insufficiency with K >5.5 with cellular
Emergent Hyperkalemia ... ECG changes, weakness ... ) ECG changes ... PR, wide QRS, bradycardia ... not quickly) #Hyperkalemia
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
Hypernatremia - Differential ... cisplatin) - Chronic hypercalcemia ... - Chronic hypokalemia ... Hypernatremia #Differential ... #Diagnosis #Table
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
palpitations, bradycardia ... heparinized tube) • ECG ... QRS intervals, bradycardia ... Elimination (see Table ... HyperK-induced bradycardia
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... 60 (1) Sinus bradycardia ... #Tachycardia #Bradycardia ... bradyarrhythmia #ECG ... electrocardiogram #cardiology #differential
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
Hyperkalemia shortens ... prolonged PR and QT ... #Diagnosis #Hyperkalemia ... #EKG #ECG #Changes ... #Progression #Table
Vasopressors and Inotropes
 • Norepinephrine - Levophed - "Levo" - Generally thought of as the first
), Symptomatic bradycardia ... of shock, HOCM, etc ... - Symptomatic bradycardia ... Inotropes #management #criticalcare ... summary #comparison #table
Approach to Undifferentiated Shock - OnePager Summary
Shock occurs when there is inadequate blood flow (CO) &
essential to determine treatment ... : Rate/Rhythm (bradycardia ... , myocarditis, etc ... Shock #diagnosis #differential ... guyton #curves #criticalcare
Checklist Approach to Hypokalemia

Consider risk factors for arrhythmia:
 - EKG changes (especially QT prolongation)
 - Digoxin
Checklist Approach to Hypokalemia ... arrhythmia: - EKG ... changes (especially QT ... route = severe hypokalemia ... #Management #CriticalCare