19 results
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
Hyperkalemia shortens ... repolarization; changes ... repolarization causes ... #Diagnosis #Hyperkalemia ... #EKG #ECG #Changes
Hyperkalemia - Management Algorithm
 • IV calcium
 • IV insulin and glucose and/or salbutamolt
 • Consider
Hyperkalemia - Management ... changes • 5.5 ... - Absence of T wave ... potassium #high #diagnosis ... #treatment
BRASH Syndrome

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

Typical ECG
HR 30, peaked T waves ... flattening of P waves ... • If on a Ca2+ channel ... BRASH #Syndrome #diagnosis ... #management #pathophysiology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... - Differential Diagnosis ... • Hypercalcemia ... dissection • Sodium-channel ... #ekg #electrocardiogram
Emergent Hyperkalemia Treatment Algorithm
ECG changes, weakness, K+ >6.5 Or renal insufficiency with K >5.5 with cellular
Emergent Hyperkalemia ... ECG changes, weakness ... changes? ... (peaked T waves, ... #Management
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Hyperkalemia - Diagnosis ... bradycardia → sine wave ... only if no clear cause ... K-Binding Resins - Exchanges ... #Diagnosis #Management
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
Hyperdefecation • Anterior neck ... diffuse goiter (Graves ... antibodies (TRAb) if Graves ... edema, diplopia, change ... hyperthyroidism #causes
Primary and Secondary Headaches - Red Flags and Differential Diagnosis
Red Flags (SNOOP):
S - Systemic		
N - Neurologic
Previous Headache Sx change ... Tightness which Waxes ... and Wanes • 30 ... - Post-Trauma, Neck ... #differential #causes
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
high WBC count cause ... tinnitus, visual changes ... unless worrisome EKG ... Syndrome #TLS #diagnosis ... #management #hematology
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
heart disease Causes ... Hypomagnesemia • Hypokalemia ... 300 = NSVT EKG ... No associated P-wave ... , and the T-wave