26 results
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Hyporeflexia: • Hypercalcemia ... polyneuropathy (e.g ... Guillain-Barré syndrome ... differential #diagnosis #table ... #neurology
Hypermagnesemia - Etiologies by Mechanism
Renal Failure 
Excessive Mg Administration 
 - Massive PO intake
IV Mg infusion (e.g ... - Tumor lysis syndrome ... Differential #Diagnosis #High ... #Magnesium #Table ... #Causes #Management
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Causes of Fatigue ... Liver Failure • Hypercalcemia ... Pulmonary Disease Neurologic ... • Drug Abuse (e.g ... Chronic Fatigue Syndrome
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
Excessive insulation, high ... Surgical devices, e.g ... Sepsis (→ 3-14) e.g ... (e.g. haloperidol ... Phaeochromocytoma Neurologic
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
with previously stable ... risk factors (eg ... hypertension (eg ... hypertension (eg ... Neurologic disorders
Recurrent Polymorphic VT/Torsades de Pointes - Management Algorithm
Drugs that prolong QT interval:
 • Class 1a (quinidine,
Algorithm Drugs ... Syndrome Electrolyte ... Hypomagnesemia • Hypokalemia ... 1b (lidocaine)- case ... #Algorithm
Causes of Hyperkalemia - Reduced Excretion - Differential Diagnosis Algorithm

Reduced flow through distal nephron - TTKG
Causes of Hyperkalemia ... Differential Diagnosis Algorithm ... • Low EABV (e.g ... IntercellularShift #Nephrology ... #Causes
KDIGO Treatment algorithm for management of acute hyperkalemia in the emergency department
 • Place on cardiac
for management ... monitor 12-lead ECG ... #management #algorithm ... treatment #potassium #high ... #nephrology #KDIGO
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
(e.g., long QT ... syndrome, ARVC) ... Hypomagnesemia • Hypokalemia ... 300 = NSVT EKG ... #differential #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Control rate (e.g ... Treat underlying cause ... Control rate (e.g ... Tachycardia #Treatment #management ... #cardiology #algorithm